


'''simple docstring'''
lowerCAmelCase						=					"""Alexander Joslin"""

import operator as op

from .stack import Stack

def 					lowerCamelCase_ ( __UpperCamelCase					:       str		)					->	int:







     """simple docstring"""
     _A				=							{'*': op.mul, '/': op.truediv, '+': op.add, '-': op.sub}

     _A				=							Stack()
     _A				=							Stack()

     for i in equation:
          if i.isdigit():
               # RULE 1
               operand_stack.push(int(__UpperCamelCase		)		)
          elif i in operators:
               # RULE 2
               operator_stack.push(__UpperCamelCase		)
          elif i == ")":
               # RULE 4
               _A				=							operator_stack.peek()
               operator_stack.pop()
               _A				=							operand_stack.peek()
               operand_stack.pop()
               _A				=							operand_stack.peek()
               operand_stack.pop()

               _A				=							operators[opr](__UpperCamelCase							,    __UpperCamelCase		)
               operand_stack.push(__UpperCamelCase		)

    # RULE 5
     return operand_stack.peek()


if __name__ == "__main__":
    lowerCAmelCase						=					"""(5 + ((4 * 2) * (2 + 3)))"""
    # answer = 45
    print(F'{equation} = {dijkstras_two_stack_algorithm(equation)}')









'''simple docstring'''
from __future__ import annotations

def 					lowerCamelCase_ ( __UpperCamelCase					:       dict							,    __UpperCamelCase					:       str		)					->	set[str]:







     """simple docstring"""
     _A		,				_A				=							set(__UpperCamelCase		), [start]

     while stack:
          _A				=							stack.pop()
          explored.add(__UpperCamelCase		)
          # Differences from BFS:
          # 1) pop last element instead of first one
          # 2) add adjacent elements to stack without exploring them
          for adj in reversed(graph[v]		):
               if adj not in explored:
                    stack.append(__UpperCamelCase		)
     return explored


lowerCAmelCase						=					{
    """A""": ["""B""", """C""", """D"""],
    """B""": ["""A""", """D""", """E"""],
    """C""": ["""A""", """F"""],
    """D""": ["""B""", """D"""],
    """E""": ["""B""", """F"""],
    """F""": ["""C""", """E""", """G"""],
    """G""": ["""F"""],
}

if __name__ == "__main__":
    import doctest

    doctest.testmod()
    print(depth_first_search(G, """A"""))





