Function value at key in map vars

search vars for the entry with the key key and output the value

Format:

value at key in map vars

Input:

Output:

Properties that reference this function:

Conditional properties that reference this function:

• if the following are true:
  • Expression Stack at time t = [ [ ], [ [ obj.append(x), ys ], rest ] ]
  • Value Stack at time t = [ [ value, [ ] ], [ next_level, other_levels ] ]
  • value at obj in map (Variables Map at time t) = Python reference idx
  • the element at index idx of stack (Python Object Store at time t) = Python list entries

  then Python Object Store at time (t + 1) = result of storing (Python list (result of appending value to entries)) at index idx of stack (Python Object Store at time t)

  (link)
• if the following are true:
  • Expression Stack at time t = [ [ ], [ [ obj.append(x), ys ], rest ] ]
  • Value Stack at time t = [ [ value, [ ] ], [ next_level, other_levels ] ]
  • value at obj in map (Variables Map at time t) = Python reference idx
  • the element at index idx of stack (Python Object Store at time t) = Python list entries

  then Value Stack at time (t + 1) = [ [ None, next_level ], other_levels ]

  (link)
• if the following are true:
  • Value Stack at time t = [ [ a, [ ] ], [ next_level, other_levels ] ]
  • Expression Stack at time t = [ [ ], [ [ name."pop"(args), ys ], rest ] ]
  • value at name in map (Variables Map at time t) = Python reference idx
  • the element at index idx of stack (Python Object Store at time t) = Python list entries

  then Python Object Store at time (t + 1) = result of storing (Python list (stack after popping a value from stack entries at index a)) at index idx of stack (Python Object Store at time t)

  (link)
• if the following are true:
  • Value Stack at time t = [ [ a, [ ] ], [ next_level, other_levels ] ]
  • Expression Stack at time t = [ [ ], [ [ name."pop"(args), ys ], rest ] ]
  • value at name in map (Variables Map at time t) = Python reference idx
  • the element at index idx of stack (Python Object Store at time t) = Python list entries

  then Value Stack at time (t + 1) = [ [ the element at index a of stack entries, next_level ], other_levels ]

  (link)
• if the following are true:
  • Expression Stack at time t = [ [ ], [ [ function call with name: "__getitem__" and arguments: args, ys ], rest ] ]
  • Value Stack at time t = [ [ a, [ Python reference idx, [ ] ] ], [ next_level, other_levels ] ]
  • the element at index idx of stack (Python Object Store at time t) = Python dictionary entries

  then Value Stack at time (t + 1) = [ [ value at a in map entries, next_level ], other_levels ]

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("class", class_name)

  then the line at time (t + 1) = the line at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("class", class_name)

  then the tab at time (t + 1) = j - 1

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("class", class_name)

  then Expression Stack at time t = [ ]

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("class", class_name)

  then Control Map at time (t + 1) = Control Map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("class", class_name)

  then Variables Map at time (t + 1) = Variables Map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("class", class_name)

  then Context Stack at time (t + 1) = Context Stack at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("class", class_name)

  then "if" map at time (t + 1) = "if" map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("class", class_name)

  then Expression Stack at time (t + 1) = Expression Stack at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("class", class_name)

  then Python Object Store at time (t + 1) = Python Object Store at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("class", class_name)

  then 'while stack' at time (t + 1) = 'while stack' at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("class", class_name)

  then Class Map at time (t + 1) = Class Map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = a method named method_name with parameters params
  • value at class_name in map (Class Map at time t) = class_map
  • value at "methods" in map class_map = methods_map

  then Class Map at time (t + 1) = result of storing (result of storing (result of storing [ entry "params": params, [ entry "line": i, [ ] ] ] at key: method_name in map: methods_map) at key: "methods" in map: class_map) at key: class_name in map: (Class Map at time t)

  (link)
• if the following are true:
  • Expression Stack at time t = [ [ ], [ [ obj_name.method_name(args), ys ], rest ] ]
  • value at obj_name in map (Variables Map at time t) = Python reference index
  • the element at index index of stack (Python Object Store at time t) = Python object: [ entry "__class_name__": class_name, e_rest ]
  • method parameters where the Class Map is (Class Map at time t), class name is class_name, and method name is method_name = params
  • Parameters List at time t = None
  • Value Stack at time t = [ values, v_stack ]

  then Parameters List at time (t + 1) = params

  (link)
• if the following are true:
  • Expression Stack at time t = [ [ ], [ [ obj_name.method_name(args), ys ], rest ] ]
  • value at obj_name in map (Variables Map at time t) = Python reference index
  • the element at index index of stack (Python Object Store at time t) = Python object: [ entry "__class_name__": class_name, e_rest ]
  • method parameters where the Class Map is (Class Map at time t), class name is class_name, and method name is method_name = params
  • Parameters List at time t = None
  • Value Stack at time t = [ values, v_stack ]

  then Value Stack at time (t + 1) = v_stack

  (link)
• if the following are true:
  • Expression Stack at time t = [ [ ], [ [ obj_name.method_name(args), ys ], rest ] ]
  • value at obj_name in map (Variables Map at time t) = Python reference index
  • the element at index index of stack (Python Object Store at time t) = Python object: [ entry "__class_name__": class_name, e_rest ]
  • method parameters where the Class Map is (Class Map at time t), class name is class_name, and method name is method_name = params
  • Parameters List at time t = None
  • Value Stack at time t = [ values, v_stack ]

  then Function Variables Map at time (t + 1) = [ ]

  (link)
• if the following are true:
  • Expression Stack at time t = [ [ ], [ [ obj_name.method_name(args), ys ], rest ] ]
  • value at obj_name in map (Variables Map at time t) = Python reference index
  • the element at index index of stack (Python Object Store at time t) = Python object: [ entry "__class_name__": class_name, e_rest ]
  • method parameters where the Class Map is (Class Map at time t), class name is class_name, and method name is method_name = params
  • Parameters List at time t = None
  • Value Stack at time t = [ values, v_stack ]

  then Argument Values at time (t + 1) = [ Python reference index, reverse of values ]

  (link)
• if the following are true:
  • Expression Stack at time t = [ [ ], [ [ obj_name.method_name(args), ys ], rest ] ]
  • value at obj_name in map (Variables Map at time t) = Python reference index
  • the element at index index of stack (Python Object Store at time t) = Python object: [ entry "__class_name__": class_name, e_rest ]
  • method parameters where the Class Map is (Class Map at time t), class name is class_name, and method name is method_name = params
  • Parameters List at time t = None
  • Value Stack at time t = [ values, v_stack ]

  then Expression Stack at time (t + 1) = Expression Stack at time t

  (link)
• if the following are true:
  • Expression Stack at time t = [ [ ], [ [ obj_name.method_name(args), ys ], rest ] ]
  • value at obj_name in map (Variables Map at time t) = Python reference index
  • the element at index index of stack (Python Object Store at time t) = Python object: [ entry "__class_name__": class_name, e_rest ]
  • method parameters where the Class Map is (Class Map at time t), class name is class_name, and method name is method_name = params
  • Parameters List at time t = None
  • Value Stack at time t = [ values, v_stack ]

  then Variables Map at time (t + 1) = Variables Map at time t

  (link)
• if the following are true:
  • Expression Stack at time t = [ [ ], [ [ obj_name.method_name(args), ys ], rest ] ]
  • value at obj_name in map (Variables Map at time t) = Python reference index
  • the element at index index of stack (Python Object Store at time t) = Python object: [ entry "__class_name__": class_name, e_rest ]
  • method parameters where the Class Map is (Class Map at time t), class name is class_name, and method name is method_name = params
  • Parameters List at time t = None
  • Value Stack at time t = [ values, v_stack ]

  then Control Map at time (t + 1) = Control Map at time t

  (link)
• if the following are true:
  • Expression Stack at time t = [ [ ], [ [ obj_name.method_name(args), ys ], rest ] ]
  • value at obj_name in map (Variables Map at time t) = Python reference index
  • the element at index index of stack (Python Object Store at time t) = Python object: [ entry "__class_name__": class_name, e_rest ]
  • method parameters where the Class Map is (Class Map at time t), class name is class_name, and method name is method_name = params
  • Parameters List at time t = None
  • Value Stack at time t = [ values, v_stack ]

  then Python Object Store at time (t + 1) = Python Object Store at time t

  (link)
• if the following are true:
  • Expression Stack at time t = [ [ ], [ [ obj_name.method_name(args), ys ], rest ] ]
  • value at obj_name in map (Variables Map at time t) = Python reference index
  • the element at index index of stack (Python Object Store at time t) = Python object: [ entry "__class_name__": class_name, e_rest ]
  • method parameters where the Class Map is (Class Map at time t), class name is class_name, and method name is method_name = params
  • Parameters List at time t = None
  • Value Stack at time t = [ values, v_stack ]

  then Context Stack at time (t + 1) = Context Stack at time t

  (link)
• if the following are true:
  • Expression Stack at time t = [ [ ], [ [ obj_name.method_name(args), ys ], rest ] ]
  • value at obj_name in map (Variables Map at time t) = Python reference index
  • the element at index index of stack (Python Object Store at time t) = Python object: [ entry "__class_name__": class_name, e_rest ]
  • method parameters where the Class Map is (Class Map at time t), class name is class_name, and method name is method_name = params
  • Parameters List at time t = None
  • Value Stack at time t = [ values, v_stack ]

  then the line at time (t + 1) = the line at time t

  (link)
• if the following are true:
  • Expression Stack at time t = [ [ ], [ [ obj_name.method_name(args), ys ], rest ] ]
  • value at obj_name in map (Variables Map at time t) = Python reference index
  • the element at index index of stack (Python Object Store at time t) = Python object: [ entry "__class_name__": class_name, e_rest ]
  • method parameters where the Class Map is (Class Map at time t), class name is class_name, and method name is method_name = params
  • Parameters List at time t = None
  • Value Stack at time t = [ values, v_stack ]

  then the tab at time (t + 1) = the tab at time t

  (link)
• if the following are true:
  • Parameters List at time t = [ ]
  • Expression Stack at time t = [ [ ], [ [ obj_name.method_name(args), ys ], rest ] ]
  • value at obj_name in map (Variables Map at time t) = Python reference index
  • the element at index index of stack (Python Object Store at time t) = Python object: [ entry "__class_name__": class_name, e_rest ]
  • line number of method method_name of class class_name in (Class Map at time t) = line

  then the line at time (t + 1) = line + 1

  (link)
• if the following are true:
  • Parameters List at time t = [ ]
  • Expression Stack at time t = [ [ ], [ [ obj_name.method_name(args), ys ], rest ] ]
  • value at obj_name in map (Variables Map at time t) = Python reference index
  • the element at index index of stack (Python Object Store at time t) = Python object: [ entry "__class_name__": class_name, e_rest ]
  • line number of method method_name of class class_name in (Class Map at time t) = line

  then the tab at time (t + 1) = 2

  (link)
• if the following are true:
  • Parameters List at time t = [ ]
  • Expression Stack at time t = [ [ ], [ [ obj_name.method_name(args), ys ], rest ] ]
  • value at obj_name in map (Variables Map at time t) = Python reference index
  • the element at index index of stack (Python Object Store at time t) = Python object: [ entry "__class_name__": class_name, e_rest ]
  • line number of method method_name of class class_name in (Class Map at time t) = line

  then Control Map at time (t + 1) = [ entry 0: (pair ("class", class_name)), [ entry 1: (pair ("method", method_name)), [ ] ] ]

  (link)
• if the following are true:
  • Expression Stack at time t = [ [ ], [ [ obj.attr, ys ], rest ] ]
  • Value Stack at time t = [ [ Python reference index, [ ] ], [ next_level, other_levels ] ]
  • the element at index index of stack (Python Object Store at time t) = Python object: attributes

  then Value Stack at time (t + 1) = [ [ value at attr in map attributes, next_level ], other_levels ]

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("method", method_name)

  then Python Object Store at time (t + 1) = Python Object Store at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("method", method_name)

  then Class Map at time (t + 1) = Class Map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("method", mname)
  • Context Stack at time t = [ program context with variables: varis and expression state: (expression state with expression stack: expr_stack values: value_stack line: line tab: tab) and control map: control_map, rest ]

  then Variables Map at time (t + 1) = varis

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("method", mname)
  • Context Stack at time t = [ program context with variables: varis and expression state: (expression state with expression stack: expr_stack values: value_stack line: line tab: tab) and control map: control_map, rest ]

  then the line at time (t + 1) = line

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("method", mname)
  • Context Stack at time t = [ program context with variables: varis and expression state: (expression state with expression stack: expr_stack values: value_stack line: line tab: tab) and control map: control_map, rest ]

  then the tab at time (t + 1) = tab

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("method", mname)
  • Context Stack at time t = [ program context with variables: varis and expression state: (expression state with expression stack: expr_stack values: value_stack line: line tab: tab) and control map: control_map, rest ]

  then Expression Stack at time (t + 1) = expr_stack

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("method", mname)
  • Context Stack at time t = [ program context with variables: varis and expression state: (expression state with expression stack: expr_stack values: value_stack line: line tab: tab) and control map: control_map, rest ]

  then Context Stack at time (t + 1) = rest

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("method", mname)
  • Context Stack at time t = [ program context with variables: varis and expression state: (expression state with expression stack: expr_stack values: value_stack line: line tab: tab) and control map: control_map, rest ]

  then Value Stack at time (t + 1) = value_stack

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("method", mname)
  • Context Stack at time t = [ program context with variables: varis and expression state: (expression state with expression stack: expr_stack values: value_stack line: line tab: tab) and control map: control_map, rest ]

  then Control Map at time (t + 1) = control_map

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("method", "__init__")

  then Return Value at time (t + 1) = [ value at self in map (Variables Map at time t), [ ] ]

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("method", method_name)
  • not (method_name = "__init__")

  then Return Value at time (t + 1) = [ None, [ ] ]

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = for target in iterable_ex:
  • value at j in map (Control Map at time t) = trio ("for", i, [ elem, rest ])

  then Variables Map at time (t + 1) = result of storing elem at key: target in map: (Variables Map at time t)

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = for target in iterable_ex:
  • value at j in map (Control Map at time t) = trio ("for", i, [ elem, rest ])

  then the line at time (t + 1) = i + 1

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = for target in iterable_ex:
  • value at j in map (Control Map at time t) = trio ("for", i, [ elem, rest ])

  then the tab at time (t + 1) = j + 1

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = for target in iterable_ex:
  • value at j in map (Control Map at time t) = trio ("for", i, [ elem, rest ])

  then Control Map at time (t + 1) = result of storing (trio ("for", i, rest)) at key: j in map: (Control Map at time t)

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = for target in iterable_ex:
  • value at j in map (Control Map at time t) = trio ("for", i, [ elem, rest ])

  then Expression Stack at time (t + 1) = [ ]

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = for target in iterable_ex:
  • value at j in map (Control Map at time t) = trio ("for", i, [ elem, rest ])

  then Context Stack at time (t + 1) = Context Stack at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = for target in iterable_ex:
  • value at j in map (Control Map at time t) = trio ("for", i, [ elem, rest ])

  then Python Object Store at time (t + 1) = Python Object Store at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = for target in iterable_ex:
  • value at j in map (Control Map at time t) = trio ("for", i, [ ])

  then the line at time (t + 1) = i + 1

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = for target in iterable_ex:
  • value at j in map (Control Map at time t) = trio ("for", i, [ ])

  then the tab at time (t + 1) = j

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = for target in iterable_ex:
  • value at j in map (Control Map at time t) = trio ("for", i, [ ])

  then Control Map at time (t + 1) = result of deleting the entry with key j from map (Control Map at time t)

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = for target in iterable_ex:
  • value at j in map (Control Map at time t) = trio ("for", i, [ ])

  then Variables Map at time (t + 1) = Variables Map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = for target in iterable_ex:
  • value at j in map (Control Map at time t) = trio ("for", i, [ ])

  then Expression Stack at time (t + 1) = [ ]

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = for target in iterable_ex:
  • value at j in map (Control Map at time t) = trio ("for", i, [ ])

  then Context Stack at time (t + 1) = Context Stack at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = for target in iterable_ex:
  • value at j in map (Control Map at time t) = trio ("for", i, [ ])

  then Python Object Store at time (t + 1) = Python Object Store at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = trio ("for", for_line, iterable)

  then the line at time (t + 1) = for_line

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = trio ("for", for_line, iterable)

  then the tab at time (t + 1) = j - 1

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = trio ("for", for_line, iterable)

  then Variables Map at time (t + 1) = Variables Map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = trio ("for", for_line, iterable)

  then Context Stack at time (t + 1) = Context Stack at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = trio ("for", for_line, iterable)

  then Expression Stack at time (t + 1) = Expression Stack at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = trio ("for", for_line, iterable)

  then Python Object Store at time (t + 1) = Python Object Store at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = trio ("for", for_line, iterable)

  then Control Map at time (t + 1) = Control Map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = trio ("for", for_line, iterable)

  then Class Map at time (t + 1) = Class Map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • number of lines = i - 1
  • value at (j - 1) in map (Control Map at time t) = trio ("for", for_line, iterable)

  then the line at time (t + 1) = for_line

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • number of lines = i - 1
  • value at (j - 1) in map (Control Map at time t) = trio ("for", for_line, iterable)

  then the tab at time (t + 1) = j - 1

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • number of lines = i - 1
  • value at (j - 1) in map (Control Map at time t) = trio ("for", for_line, iterable)

  then Variables Map at time (t + 1) = Variables Map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • number of lines = i - 1
  • value at (j - 1) in map (Control Map at time t) = trio ("for", for_line, iterable)

  then Context Stack at time (t + 1) = Context Stack at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • number of lines = i - 1
  • value at (j - 1) in map (Control Map at time t) = trio ("for", for_line, iterable)

  then "if" map at time (t + 1) = "if" map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • number of lines = i - 1
  • value at (j - 1) in map (Control Map at time t) = trio ("for", for_line, iterable)

  then Expression Stack at time (t + 1) = Expression Stack at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • number of lines = i - 1
  • value at (j - 1) in map (Control Map at time t) = trio ("for", for_line, iterable)

  then Python Object Store at time (t + 1) = Python Object Store at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • number of lines = i - 1
  • value at (j - 1) in map (Control Map at time t) = trio ("for", for_line, iterable)

  then Control Map at time (t + 1) = Control Map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • number of lines = i - 1
  • value at (j - 1) in map (Control Map at time t) = trio ("for", for_line, iterable)

  then 'while stack' at time (t + 1) = 'while stack' at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • number of lines = i - 1
  • value at (j - 1) in map (Control Map at time t) = trio ("for", for_line, iterable)

  then Class Map at time (t + 1) = Class Map at time t

  (link)
• if the following are true:
  • value at class_name in map class_defs = class_def
  • value at "methods" in map class_def = methods
  • value at method_name in map methods = method_map

  then definition of method method_name of class class_name in class_defs = method_map

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("while", while_line)

  then the line at time (t + 1) = while_line

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("while", while_line)

  then the tab at time (t + 1) = j - 1

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("while", while_line)

  then Variables Map at time (t + 1) = Variables Map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("while", while_line)

  then stack at time (t + 1) = stack at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("while", while_line)

  then "if" map at time (t + 1) = "if" map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("while", while_line)

  then expression state at time (t + 1) = expression state at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("while", while_line)

  then Python Object Store at time (t + 1) = Python Object Store at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("while", while_line)

  then Class Map at time (t + 1) = Class Map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("while", while_line)

  then Control Map at time (t + 1) = Control Map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • number of lines = i - 1
  • value at (j - 1) in map (Control Map at time t) = pair ("while", while_line)

  then the line at time (t + 1) = while_line

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • number of lines = i - 1
  • value at (j - 1) in map (Control Map at time t) = pair ("while", while_line)

  then the tab at time (t + 1) = j - 1

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • number of lines = i - 1
  • value at (j - 1) in map (Control Map at time t) = pair ("while", while_line)

  then Variables Map at time (t + 1) = Variables Map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • number of lines = i - 1
  • value at (j - 1) in map (Control Map at time t) = pair ("while", while_line)

  then stack at time (t + 1) = stack at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • number of lines = i - 1
  • value at (j - 1) in map (Control Map at time t) = pair ("while", while_line)

  then expression state at time (t + 1) = expression state at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • number of lines = i - 1
  • value at (j - 1) in map (Control Map at time t) = pair ("while", while_line)

  then Python Object Store at time (t + 1) = Python Object Store at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • number of lines = i - 1
  • value at (j - 1) in map (Control Map at time t) = pair ("while", while_line)

  then Class Map at time (t + 1) = Class Map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • number of lines = i - 1
  • value at (j - 1) in map (Control Map at time t) = pair ("while", while_line)

  then Control Map at time (t + 1) = Control Map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • number of lines = i - 1
  • value at (j - 1) in map (Control Map at time t) = pair ("if", if_value)

  then the line at time (t + 1) = i

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • number of lines = i - 1
  • value at (j - 1) in map (Control Map at time t) = pair ("if", if_value)

  then the tab at time (t + 1) = j - 1

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • number of lines = i - 1
  • value at (j - 1) in map (Control Map at time t) = pair ("if", if_value)

  then expression state at time (t + 1) = "not_expr"

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • number of lines = i - 1
  • value at (j - 1) in map (Control Map at time t) = pair ("if", if_value)

  then Variables Map at time (t + 1) = Variables Map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • number of lines = i - 1
  • value at (j - 1) in map (Control Map at time t) = pair ("if", if_value)

  then stack at time (t + 1) = stack at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • number of lines = i - 1
  • value at (j - 1) in map (Control Map at time t) = pair ("if", if_value)

  then Class Map at time (t + 1) = Class Map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • number of lines = i - 1
  • value at (j - 1) in map (Control Map at time t) = pair ("if", if_value)

  then Control Map at time (t + 1) = Control Map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • "break" state at t = "breaking"
  • value at (j - 1) in map (Control Map at time t) = control_value
  • control_value describes a loop = True

  then the line at time (t + 1) = i + 1

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • "break" state at t = "breaking"
  • value at (j - 1) in map (Control Map at time t) = control_value
  • control_value describes a loop = True

  then "break" state at (t + 1) = "not_breaking"

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • "break" state at t = "breaking"
  • value at (j - 1) in map (Control Map at time t) = control_value
  • control_value describes a loop = False

  then the line at time (t + 1) = i

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • "break" state at t = "breaking"
  • value at (j - 1) in map (Control Map at time t) = control_value
  • control_value describes a loop = False

  then "break" state at (t + 1) = "breaking"

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • "continue" state at t = "continuing"
  • value at (j - 1) in map (Control Map at time t) = control_value
  • control_value describes a loop = True

  then the line at time (t + 1) = while_line

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • "continue" state at t = "continuing"
  • value at (j - 1) in map (Control Map at time t) = control_value
  • control_value describes a loop = True

  then "continue" state at (t + 1) = "not_continuing"

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • "continue" state at t = "continuing"
  • value at (j - 1) in map (Control Map at time t) = control_value
  • control_value describes a loop = False

  then the line at time (t + 1) = i

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • "continue" state at t = "continuing"
  • value at (j - 1) in map (Control Map at time t) = control_value
  • control_value describes a loop = False

  then "continue" state at (t + 1) = "continuing"

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = x = c
  • c is a variable

  then Variables Map at time (t + 1) = result of storing (value at c in map (Variables Map at time t)) at key: x in map: (Variables Map at time t)

  (link)
• if the following are true:
  • expression state at time t = "begin_expr"
  • the expression at time t = v
  • v is a variable

  then Return Value at time (t + 1) = value at x in map (Variables Map at time t)

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = elif test:
  • value at j in map (Control Map at time t) = pair ("if", False)
  • expression state at time t = "not_expr"

  then the expression at time (t + 1) = test

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = elif test:
  • value at j in map (Control Map at time t) = pair ("if", False)
  • expression state at time t = "not_expr"

  then expression state at time (t + 1) = "begin_expr"

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = elif test:
  • value at j in map (Control Map at time t) = pair ("if", False)
  • expression state at time t = "not_expr"

  then the line at time (t + 1) = i

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = elif test:
  • value at j in map (Control Map at time t) = pair ("if", False)
  • expression state at time t = "not_expr"

  then the tab at time (t + 1) = j

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = elif test:
  • value at j in map (Control Map at time t) = pair ("if", False)
  • expression state at time t = "not_expr"

  then Value Stack at time (t + 1) = [ ]

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = elif test:
  • value at j in map (Control Map at time t) = pair ("if", False)
  • expression state at time t = "not_expr"

  then parent stack at time (t + 1) = [ ]

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = elif test:
  • value at j in map (Control Map at time t) = pair ("if", False)
  • expression state at time t = "not_expr"

  then arguments stack at time (t + 1) = [ ]

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = elif test:
  • value at j in map (Control Map at time t) = pair ("if", True)
  • expression state at time t = "not_expr"

  then the line at time (t + 1) = i + 1

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = elif test:
  • value at j in map (Control Map at time t) = pair ("if", True)
  • expression state at time t = "not_expr"

  then the tab at time (t + 1) = j

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = else:
  • value at j in map (Control Map at time t) = pair ("if", False)

  then the line at time (t + 1) = i + 1

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = else:
  • value at j in map (Control Map at time t) = pair ("if", False)

  then the tab at time (t + 1) = j + 1

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = else:
  • value at j in map (Control Map at time t) = pair ("if", True)

  then the line at time (t + 1) = i + 1

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = else:
  • value at j in map (Control Map at time t) = pair ("if", True)

  then the tab at time (t + 1) = j

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("if", if_value)

  then the line at time (t + 1) = i

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("if", if_value)

  then the tab at time (t + 1) = j - 1

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("if", if_value)

  then Variables Map at time (t + 1) = Variables Map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("if", if_value)

  then stack at time (t + 1) = stack at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("if", if_value)

  then Python Object Store at time (t + 1) = Python Object Store at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("if", if_value)

  then Class Map at time (t + 1) = Class Map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("if", if_value)

  then Control Map at time (t + 1) = Control Map at time t

  (link)
• if the following are true:
  • expression state at time t = "call_function_begin"
  • Value Stack at time t = [ [ value, [ ] ], stack ]
  • the expression at time t = obj.append(x)
  • value at obj in map (Variables Map at time t) = Python reference idx
  • the element at index idx of stack (Python Object Store at time t) = Python list entries

  then Python Object Store at time (t + 1) = result of storing (Python list (result of appending value to entries)) at index idx of stack (Python Object Store at time t)

  (link)
• if the following are true:
  • expression state at time t = "call_function_begin"
  • the expression at time t = obj_name.method_name(args)
  • value at obj_name in map (Variables Map at time t) = Python reference index
  • the element at index index of stack (Python Object Store at time t) = Python object: [ entry "__class_name__": class_name, e_rest ]
  • map (Class Map at time t) contains key class_name = True

  then expression state at time (t + 1) = "call_build_args"

  (link)
• if the following are true:
  • expression state at time t = "call_function_begin"
  • the expression at time t = obj_name.method_name(args)
  • value at obj_name in map (Variables Map at time t) = Python reference index
  • the element at index index of stack (Python Object Store at time t) = Python object: [ entry "__class_name__": class_name, e_rest ]
  • method parameters where the Class Map is (Class Map at time t), class name is class_name, and method name is method_name = params

  then Parameters List at time (t + 1) = params

  (link)
• if the following are true:
  • expression state at time t = "call_function_begin"
  • the expression at time t = obj_name.method_name(args)
  • value at obj_name in map (Variables Map at time t) = Python reference index
  • the element at index index of stack (Python Object Store at time t) = Python object: [ entry "__class_name__": class_name, e_rest ]
  • method parameters where the Class Map is (Class Map at time t), class name is class_name, and method name is method_name = params

  then Python Object Store at time (t + 1) = Python Object Store at time t

  (link)
• if the following are true:
  • expression state at time t = "call_function_begin"
  • the expression at time t = obj_name.method_name(args)
  • value at obj_name in map (Variables Map at time t) = Python reference index
  • the element at index index of stack (Python Object Store at time t) = Python object: [ entry "__class_name__": class_name, e_rest ]
  • Value Stack at time t = [ values, v_stack ]
  • definition of method method_name of class class_name in (Class Map at time t) = method_map

  then Argument Values at time (t + 1) = [ Python reference index, reverse of values ]

  (link)
• if the following are true:
  • expression state at time t = "call_function_begin"
  • the expression at time t = obj_name.method_name(args)
  • value at obj_name in map (Variables Map at time t) = Python reference index
  • the element at index index of stack (Python Object Store at time t) = Python object: [ entry "__class_name__": class_name, e_rest ]
  • Value Stack at time t = [ values, v_stack ]
  • definition of method method_name of class class_name in (Class Map at time t) = method_map

  then Value Stack at time (t + 1) = v_stack

  (link)
• if the following are true:
  • expression state at time t = "call_function_begin"
  • Value Stack at time t = [ [ a, [ ] ], stack ]
  • the expression at time t = name."pop"(args)
  • value at obj in map (Variables Map at time t) = Python reference idx
  • the element at index idx of stack (Python Object Store at time t) = Python list entries

  then Python Object Store at time (t + 1) = result of storing (Python list (stack after popping a value from stack entries at index a)) at index idx of stack (Python Object Store at time t)

  (link)
• if the following are true:
  • expression state at time t = "call_function_begin"
  • Value Stack at time t = [ [ a, [ ] ], stack ]
  • the expression at time t = name."pop"(args)
  • value at obj in map (Variables Map at time t) = Python reference idx
  • the element at index idx of stack (Python Object Store at time t) = Python list entries

  then Return Value at time (t + 1) = the element at index a of stack entries

  (link)
• if the following are true:
  • expression state at time t = "call_function_begin"
  • Value Stack at time t = [ [ a, [ Python reference idx, [ ] ] ], stack ]
  • the expression at time t = function call with name: "__getitem__" and arguments: args
  • the element at index idx of stack (Python Object Store at time t) = Python dictionary entries

  then Return Value at time (t + 1) = value at a in map entries

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("class", class_name)

  then the line at time (t + 1) = the line at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("class", class_name)

  then the tab at time (t + 1) = j - 1

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("class", class_name)

  then expression state at time t = "not_expr"

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("class", class_name)

  then Control Map at time (t + 1) = Control Map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("class", class_name)

  then Variables Map at time (t + 1) = Variables Map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("class", class_name)

  then stack at time (t + 1) = stack at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("class", class_name)

  then "if" map at time (t + 1) = "if" map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("class", class_name)

  then expression state at time (t + 1) = expression state at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("class", class_name)

  then Python Object Store at time (t + 1) = Python Object Store at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("class", class_name)

  then 'while stack' at time (t + 1) = 'while stack' at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("class", class_name)

  then Class Map at time (t + 1) = Class Map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = a method named method_name with parameters params
  • value at class_name in map (Class Map at time t) = class_map
  • value at "methods" in map class_map = methods_map

  then Class Map at time (t + 1) = result of storing (result of storing (result of storing [ entry "params": params, [ entry "line": i, [ ] ] ] at key: method_name in map: methods_map) at key: "methods" in map: class_map) at key: class_name in map: (Class Map at time t)

  (link)
• if the following are true:
  • expression state at time t = "call_build_args"
  • Parameters List at time t = [ ]
  • the expression at time t = obj_name.method_name(args)
  • value at obj_name in map (Variables Map at time t) = Python reference index
  • the element at index index of stack (Python Object Store at time t) = Python object: [ entry "__class_name__": class_name, e_rest ]
  • line number of method method_name of class class_name in (Class Map at time t) = line

  then the line at time (t + 1) = line + 1

  (link)
• if the following are true:
  • expression state at time t = "call_build_args"
  • Parameters List at time t = [ ]
  • the expression at time t = obj_name.method_name(args)
  • value at obj_name in map (Variables Map at time t) = Python reference index
  • the element at index index of stack (Python Object Store at time t) = Python object: [ entry "__class_name__": class_name, e_rest ]
  • line number of method method_name of class class_name in (Class Map at time t) = line

  then the tab at time (t + 1) = 2

  (link)
• if the following are true:
  • expression state at time t = "call_build_args"
  • Parameters List at time t = [ ]
  • the expression at time t = obj_name.method_name(args)
  • value at obj_name in map (Variables Map at time t) = Python reference index
  • the element at index index of stack (Python Object Store at time t) = Python object: [ entry "__class_name__": class_name, e_rest ]
  • line number of method method_name of class class_name in (Class Map at time t) = line

  then Control Map at time (t + 1) = [ entry 0: (pair ("class", class_name)), [ entry 1: (pair ("method", method_name)), [ ] ] ]

  (link)
• if the following are true:
  • expression state at time t = "call_function_begin"
  • the expression at time t = obj.attr
  • Value Stack at time t = [ [ Python reference index, [ ] ], v_stack ]
  • the element at index index of stack (Python Object Store at time t) = Python object: attributes

  then Return Value at time (t + 1) = value at attr in map attributes

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("method", method_name)

  then "if" map at time (t + 1) = "if" map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("method", method_name)

  then 'while stack' at time (t + 1) = 'while stack' at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("method", method_name)

  then Python Object Store at time (t + 1) = Python Object Store at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("method", method_name)

  then Class Map at time (t + 1) = Class Map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("method", mname)
  • stack at time t = [ program context with variables: varis and expression state: (expression state with parent stack: parent_stack arguments: arg_stack values: value_stack line: line tab: tab) and control map: control_map, rest ]

  then Variables Map at time (t + 1) = varis

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("method", mname)
  • stack at time t = [ program context with variables: varis and expression state: (expression state with parent stack: parent_stack arguments: arg_stack values: value_stack line: line tab: tab) and control map: control_map, rest ]

  then the line at time (t + 1) = line

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("method", mname)
  • stack at time t = [ program context with variables: varis and expression state: (expression state with parent stack: parent_stack arguments: arg_stack values: value_stack line: line tab: tab) and control map: control_map, rest ]

  then the tab at time (t + 1) = tab

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("method", mname)
  • stack at time t = [ program context with variables: varis and expression state: (expression state with parent stack: parent_stack arguments: arg_stack values: value_stack line: line tab: tab) and control map: control_map, rest ]

  then expression state at time (t + 1) = "call_returned"

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("method", mname)
  • stack at time t = [ program context with variables: varis and expression state: (expression state with parent stack: parent_stack arguments: arg_stack values: value_stack line: line tab: tab) and control map: control_map, rest ]

  then parent stack at time (t + 1) = parent_stack

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("method", mname)
  • stack at time t = [ program context with variables: varis and expression state: (expression state with parent stack: parent_stack arguments: arg_stack values: value_stack line: line tab: tab) and control map: control_map, rest ]

  then stack at time (t + 1) = rest

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("method", mname)
  • stack at time t = [ program context with variables: varis and expression state: (expression state with parent stack: parent_stack arguments: arg_stack values: value_stack line: line tab: tab) and control map: control_map, rest ]

  then Value Stack at time (t + 1) = value_stack

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("method", mname)
  • stack at time t = [ program context with variables: varis and expression state: (expression state with parent stack: parent_stack arguments: arg_stack values: value_stack line: line tab: tab) and control map: control_map, rest ]

  then arguments stack at time (t + 1) = arg_stack

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("method", mname)
  • stack at time t = [ program context with variables: varis and expression state: (expression state with parent stack: parent_stack arguments: arg_stack values: value_stack line: line tab: tab) and control map: control_map, rest ]

  then Control Map at time (t + 1) = control_map

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("method", "__init__")

  then Return Value at time (t + 1) = value at self in map (Variables Map at time t)

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("method", method_name)
  • not (method_name = "__init__")

  then Return Value at time (t + 1) = None

  (link)
• if the following are true:
  • value at j in map map_a = block
  • not (the first token in block = "for")

  then map map_a does not contain a for loop entry at line: i and tab: j

  (link)
• if the following are true:
  • value at j in map map_a = trio ("for", line, ex)
  • not (line = i)

  then map map_a does not contain a for loop entry at line: i and tab: j

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = for target in iterable_ex:
  • value at j in map (Control Map at time t) = trio ("for", i, [ elem, rest ])

  then Variables Map at time (t + 1) = result of storing elem at key: target in map: (Variables Map at time t)

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = for target in iterable_ex:
  • value at j in map (Control Map at time t) = trio ("for", i, [ elem, rest ])

  then the line at time (t + 1) = i + 1

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = for target in iterable_ex:
  • value at j in map (Control Map at time t) = trio ("for", i, [ elem, rest ])

  then the tab at time (t + 1) = j + 1

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = for target in iterable_ex:
  • value at j in map (Control Map at time t) = trio ("for", i, [ elem, rest ])

  then Control Map at time (t + 1) = result of storing (trio ("for", i, rest)) at key: j in map: (Control Map at time t)

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = for target in iterable_ex:
  • value at j in map (Control Map at time t) = trio ("for", i, [ elem, rest ])

  then expression state at time (t + 1) = "not_expr"

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = for target in iterable_ex:
  • value at j in map (Control Map at time t) = trio ("for", i, [ elem, rest ])

  then stack at time (t + 1) = stack at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = for target in iterable_ex:
  • value at j in map (Control Map at time t) = trio ("for", i, [ elem, rest ])

  then "if" map at time (t + 1) = "if" map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = for target in iterable_ex:
  • value at j in map (Control Map at time t) = trio ("for", i, [ elem, rest ])

  then Python Object Store at time (t + 1) = Python Object Store at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = for target in iterable_ex:
  • value at j in map (Control Map at time t) = trio ("for", i, [ elem, rest ])

  then 'while stack' at time (t + 1) = 'while stack' at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = for target in iterable_ex:
  • value at j in map (Control Map at time t) = trio ("for", i, [ elem, rest ])

  then Class Map at time (t + 1) = Class Map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = for target in iterable_ex:
  • value at j in map (Control Map at time t) = trio ("for", i, [ ])

  then the line at time (t + 1) = i + 1

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = for target in iterable_ex:
  • value at j in map (Control Map at time t) = trio ("for", i, [ ])

  then the tab at time (t + 1) = j

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = for target in iterable_ex:
  • value at j in map (Control Map at time t) = trio ("for", i, [ ])

  then Control Map at time (t + 1) = Control Map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = for target in iterable_ex:
  • value at j in map (Control Map at time t) = trio ("for", i, [ ])

  then Variables Map at time (t + 1) = Variables Map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = for target in iterable_ex:
  • value at j in map (Control Map at time t) = trio ("for", i, [ ])

  then expression state at time (t + 1) = "not_expr"

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = for target in iterable_ex:
  • value at j in map (Control Map at time t) = trio ("for", i, [ ])

  then stack at time (t + 1) = stack at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = for target in iterable_ex:
  • value at j in map (Control Map at time t) = trio ("for", i, [ ])

  then "if" map at time (t + 1) = "if" map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = for target in iterable_ex:
  • value at j in map (Control Map at time t) = trio ("for", i, [ ])

  then Python Object Store at time (t + 1) = Python Object Store at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = for target in iterable_ex:
  • value at j in map (Control Map at time t) = trio ("for", i, [ ])

  then 'while stack' at time (t + 1) = 'while stack' at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = for target in iterable_ex:
  • value at j in map (Control Map at time t) = trio ("for", i, [ ])

  then Class Map at time (t + 1) = Class Map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = trio ("for", for_line, iterable)

  then the line at time (t + 1) = for_line

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = trio ("for", for_line, iterable)

  then the tab at time (t + 1) = j - 1

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = trio ("for", for_line, iterable)

  then Variables Map at time (t + 1) = Variables Map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = trio ("for", for_line, iterable)

  then stack at time (t + 1) = stack at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = trio ("for", for_line, iterable)

  then "if" map at time (t + 1) = "if" map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = trio ("for", for_line, iterable)

  then expression state at time (t + 1) = expression state at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = trio ("for", for_line, iterable)

  then Python Object Store at time (t + 1) = Python Object Store at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = trio ("for", for_line, iterable)

  then Control Map at time (t + 1) = Control Map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = trio ("for", for_line, iterable)

  then 'while stack' at time (t + 1) = 'while stack' at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = trio ("for", for_line, iterable)

  then Class Map at time (t + 1) = Class Map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • number of lines = i - 1
  • value at (j - 1) in map (Control Map at time t) = trio ("for", for_line, iterable)

  then the line at time (t + 1) = for_line

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • number of lines = i - 1
  • value at (j - 1) in map (Control Map at time t) = trio ("for", for_line, iterable)

  then the tab at time (t + 1) = j - 1

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • number of lines = i - 1
  • value at (j - 1) in map (Control Map at time t) = trio ("for", for_line, iterable)

  then Variables Map at time (t + 1) = Variables Map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • number of lines = i - 1
  • value at (j - 1) in map (Control Map at time t) = trio ("for", for_line, iterable)

  then stack at time (t + 1) = stack at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • number of lines = i - 1
  • value at (j - 1) in map (Control Map at time t) = trio ("for", for_line, iterable)

  then "if" map at time (t + 1) = "if" map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • number of lines = i - 1
  • value at (j - 1) in map (Control Map at time t) = trio ("for", for_line, iterable)

  then expression state at time (t + 1) = expression state at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • number of lines = i - 1
  • value at (j - 1) in map (Control Map at time t) = trio ("for", for_line, iterable)

  then Python Object Store at time (t + 1) = Python Object Store at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • number of lines = i - 1
  • value at (j - 1) in map (Control Map at time t) = trio ("for", for_line, iterable)

  then Control Map at time (t + 1) = Control Map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • number of lines = i - 1
  • value at (j - 1) in map (Control Map at time t) = trio ("for", for_line, iterable)

  then 'while stack' at time (t + 1) = 'while stack' at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • number of lines = i - 1
  • value at (j - 1) in map (Control Map at time t) = trio ("for", for_line, iterable)

  then Class Map at time (t + 1) = Class Map at time t

  (link)
• if value at method_name in map (value at "methods" in map (value at class_name in map class_defs)) = method_map, then definition of method method_name of class class_name in class_defs = method_map (link)
• if the following are true:
  • value at class_name in map class_defs = class_def
  • value at "methods" in map class_def = methods_map
  • map methods_map contains key method_name = False

  then definition of method method_name of class class_name in class_defs = definition of method method_name of base classes (value at "bases" in map class_def) in class_defs

  (link)
• if the following are true:
  • value at first_base in map class_defs = class_def
  • value at "methods" in map class_def = methods_map
  • map methods_map contains key method_name = False

  then definition of method method_name of base classes [ first_base, rest ] in class_defs = definition of method method_name of base classes rest in class_defs

  (link)
• if the following are true:
  • definition of method method_name of class class_name in class_defs = method_map
  • value at "params" in map method_map = params

  then method parameters where the Class Map is class_defs, class name is class_name, and method name is method_name = params

  (link)
• if the following are true:
  • definition of method method_name of class class_name in class_defs = method_map
  • value at "line" in map method_map = line

  then line number of method method_name of class class_name in class_defs = line

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("while", while_line)

  then the line at time (t + 1) = while_line

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("while", while_line)

  then the tab at time (t + 1) = j - 1

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("while", while_line)

  then Variables Map at time (t + 1) = Variables Map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("while", while_line)

  then Context Stack at time (t + 1) = Context Stack at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("while", while_line)

  then Expression Stack at time (t + 1) = [ ]

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("while", while_line)

  then Python Object Store at time (t + 1) = Python Object Store at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("while", while_line)

  then Class Map at time (t + 1) = Class Map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("while", while_line)

  then Control Map at time (t + 1) = Control Map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • number of lines = i - 1
  • value at (j - 1) in map (Control Map at time t) = pair ("while", while_line)

  then the line at time (t + 1) = while_line

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • number of lines = i - 1
  • value at (j - 1) in map (Control Map at time t) = pair ("while", while_line)

  then the tab at time (t + 1) = j - 1

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • number of lines = i - 1
  • value at (j - 1) in map (Control Map at time t) = pair ("while", while_line)

  then Variables Map at time (t + 1) = Variables Map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • number of lines = i - 1
  • value at (j - 1) in map (Control Map at time t) = pair ("while", while_line)

  then Context Stack at time (t + 1) = Context Stack at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • number of lines = i - 1
  • value at (j - 1) in map (Control Map at time t) = pair ("while", while_line)

  then Expression Stack at time (t + 1) = [ ]

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • number of lines = i - 1
  • value at (j - 1) in map (Control Map at time t) = pair ("while", while_line)

  then Python Object Store at time (t + 1) = Python Object Store at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • number of lines = i - 1
  • value at (j - 1) in map (Control Map at time t) = pair ("while", while_line)

  then Class Map at time (t + 1) = Class Map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • number of lines = i - 1
  • value at (j - 1) in map (Control Map at time t) = pair ("while", while_line)

  then Control Map at time (t + 1) = Control Map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • number of lines = i - 1
  • value at (j - 1) in map (Control Map at time t) = pair ("if", if_value)

  then the line at time (t + 1) = i

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • number of lines = i - 1
  • value at (j - 1) in map (Control Map at time t) = pair ("if", if_value)

  then the tab at time (t + 1) = j - 1

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • number of lines = i - 1
  • value at (j - 1) in map (Control Map at time t) = pair ("if", if_value)

  then Expression Stack at time (t + 1) = [ ]

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • number of lines = i - 1
  • value at (j - 1) in map (Control Map at time t) = pair ("if", if_value)

  then Variables Map at time (t + 1) = Variables Map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • number of lines = i - 1
  • value at (j - 1) in map (Control Map at time t) = pair ("if", if_value)

  then Context Stack at time (t + 1) = Context Stack at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • number of lines = i - 1
  • value at (j - 1) in map (Control Map at time t) = pair ("if", if_value)

  then Class Map at time (t + 1) = Class Map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • number of lines = i - 1
  • value at (j - 1) in map (Control Map at time t) = pair ("if", if_value)

  then Control Map at time (t + 1) = Control Map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • "break" state at t = "breaking"
  • value at (j - 1) in map (Control Map at time t) = control_value
  • control_value describes a loop = True

  then the line at time (t + 1) = i + 1

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • "break" state at t = "breaking"
  • value at (j - 1) in map (Control Map at time t) = control_value
  • control_value describes a loop = True

  then "break" state at (t + 1) = "not_breaking"

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • "break" state at t = "breaking"
  • value at (j - 1) in map (Control Map at time t) = control_value
  • control_value describes a loop = False

  then the line at time (t + 1) = i

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • "break" state at t = "breaking"
  • value at (j - 1) in map (Control Map at time t) = control_value
  • control_value describes a loop = False

  then "break" state at (t + 1) = "breaking"

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • "continue" state at t = "continuing"
  • value at (j - 1) in map (Control Map at time t) = control_value
  • control_value describes a loop = True

  then the line at time (t + 1) = while_line

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • "continue" state at t = "continuing"
  • value at (j - 1) in map (Control Map at time t) = control_value
  • control_value describes a loop = True

  then "continue" state at (t + 1) = "not_continuing"

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • "continue" state at t = "continuing"
  • value at (j - 1) in map (Control Map at time t) = control_value
  • control_value describes a loop = False

  then the line at time (t + 1) = i

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • "continue" state at t = "continuing"
  • value at (j - 1) in map (Control Map at time t) = control_value
  • control_value describes a loop = False

  then "continue" state at (t + 1) = "continuing"

  (link)
• if the following are true:
  • Expression Stack at time t = [ [ x, ys ], rest ]
  • Value Stack at time t = [ values, v_rest ]
  • x is a variable

  then Value Stack at time (t + 1) = [ [ value at x in map (Variables Map at time t), values ], v_rest ]

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = elif test:
  • value at j in map (Control Map at time t) = pair ("if", False)
  • Expression Stack at time t = [ ]

  then Expression Stack at time (t + 1) = [ [ expr, [ ] ], [ ] ]

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = elif test:
  • value at j in map (Control Map at time t) = pair ("if", False)
  • Expression Stack at time t = [ ]

  then Value Stack at time (t + 1) = [ [ ], [ ] ]

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = elif test:
  • value at j in map (Control Map at time t) = pair ("if", False)
  • Expression Stack at time t = [ ]

  then the line at time (t + 1) = i

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = elif test:
  • value at j in map (Control Map at time t) = pair ("if", False)
  • Expression Stack at time t = [ ]

  then the tab at time (t + 1) = j

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = elif test:
  • value at j in map (Control Map at time t) = pair ("if", False)
  • Expression Stack at time t = [ ]

  then Variables Map at time (t + 1) = Variables Map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = elif test:
  • value at j in map (Control Map at time t) = pair ("if", False)
  • Expression Stack at time t = [ ]

  then Control Map at time (t + 1) = Control Map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = elif test:
  • value at j in map (Control Map at time t) = pair ("if", False)
  • Expression Stack at time t = [ ]

  then Python Object Store at time (t + 1) = Python Object Store at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = elif test:
  • value at j in map (Control Map at time t) = pair ("if", False)
  • Expression Stack at time t = [ ]

  then Context Stack at time (t + 1) = Context Stack at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = elif test:
  • value at j in map (Control Map at time t) = pair ("if", True)
  • Expression Stack at time t = [ ]

  then the line at time (t + 1) = i + 1

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = elif test:
  • value at j in map (Control Map at time t) = pair ("if", True)
  • Expression Stack at time t = [ ]

  then the tab at time (t + 1) = j

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = elif test:
  • value at j in map (Control Map at time t) = pair ("if", True)
  • Expression Stack at time t = [ ]

  then Variables Map at time (t + 1) = Variables Map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = elif test:
  • value at j in map (Control Map at time t) = pair ("if", True)
  • Expression Stack at time t = [ ]

  then Control Map at time (t + 1) = Control Map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = elif test:
  • value at j in map (Control Map at time t) = pair ("if", True)
  • Expression Stack at time t = [ ]

  then Python Object Store at time (t + 1) = Python Object Store at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = elif test:
  • value at j in map (Control Map at time t) = pair ("if", True)
  • Expression Stack at time t = [ ]

  then Context Stack at time (t + 1) = Context Stack at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = else:
  • value at j in map (Control Map at time t) = pair ("if", False)

  then the line at time (t + 1) = i + 1

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = else:
  • value at j in map (Control Map at time t) = pair ("if", False)

  then the tab at time (t + 1) = j + 1

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = else:
  • value at j in map (Control Map at time t) = pair ("if", True)

  then the line at time (t + 1) = i + 1

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab j = else:
  • value at j in map (Control Map at time t) = pair ("if", True)

  then the tab at time (t + 1) = j

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("if", if_value)

  then the line at time (t + 1) = i

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("if", if_value)

  then the tab at time (t + 1) = j - 1

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("if", if_value)

  then Variables Map at time (t + 1) = Variables Map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("if", if_value)

  then Context Stack at time (t + 1) = Context Stack at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("if", if_value)

  then Python Object Store at time (t + 1) = Python Object Store at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("if", if_value)

  then Class Map at time (t + 1) = Class Map at time t

  (link)
• if the following are true:
  • the line at time t = i
  • the tab at time t = j
  • statement at line i, tab k = s
  • k < j
  • value at (j - 1) in map (Control Map at time t) = pair ("if", if_value)

  then Control Map at time (t + 1) = Control Map at time t

  (link)

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