


'''simple docstring'''







class 			__lowerCamelCase			:
    """simple docstring"""


    def __init__(  self      :							List[str]):
           _A					:     Tuple     = {}


    def        A   (  self      :							List[str]):
           print(self.vertex)
           for i in self.vertex:
                  print(SCREAMING_SNAKE_CASE				,							' -> '				,							' -> '.join([str(SCREAMING_SNAKE_CASE) for j in self.vertex[i]]))


    def        A   (  self      :							Any				,							SCREAMING_SNAKE_CASE      :							int				,							SCREAMING_SNAKE_CASE      :							int):
           # check if vertex is already present,
           if from_vertex in self.vertex:
                  self.vertex[from_vertex].append(SCREAMING_SNAKE_CASE)
           else:
                  # else make a new vertex
                  _A					:     str     = [to_vertex]


    def        A   (  self      :							str):
           # visited array for storing already visited nodes
           _A					:     Optional[Any]     = [False] * len(self.vertex)

           # call the recursive helper function
           for i in range(len(self.vertex)):
                  if not visited[i]:
                         self.dfs_recursive(SCREAMING_SNAKE_CASE				,							SCREAMING_SNAKE_CASE)


    def        A   (  self      :							Optional[Any]				,							SCREAMING_SNAKE_CASE      :							int				,							SCREAMING_SNAKE_CASE      :							list):
           # mark start vertex as visited
           _A					:     Optional[Any]     = True

           print(SCREAMING_SNAKE_CASE				,							end=' ')

           # Recur for all the vertices that are adjacent to this node
           for i in self.vertex:
                  if not visited[i]:
                         self.dfs_recursive(SCREAMING_SNAKE_CASE				,							SCREAMING_SNAKE_CASE)


if __name__ == "__main__":
   A				:					Optional[Any]    						=			Graph()
   g.add_edge(0, 1)
   g.add_edge(0, 2)
   g.add_edge(1, 2)
   g.add_edge(2, 0)
   g.add_edge(2, 3)
   g.add_edge(3, 3)

   g.print_graph()
   print('''DFS:''')
   g.dfs()

   # OUTPUT:
   # 0  ->  1 -> 2
   # 1  ->  2
   # 2  ->  0 -> 3
   # 3  ->  3
   # DFS:
   #  0 1 2 3










'''simple docstring'''







A				:					Dict    						=			'''Alexander Joslin'''

import operator as op

from .stack import Stack






def 				lowerCAmelCase__	(    lowerCamelCase					:      str       ):
       _A					:     Dict     = {'*': op.mul, '/': op.truediv, '+': op.add, '-': op.sub}

       _A					:     Stack[int]     = Stack()
       _A					:     Stack[str]     = Stack()

       for i in equation:
              if i.isdigit():
                     # RULE 1
                     operand_stack.push(int(lowerCamelCase       )       )
              elif i in operators:
                     # RULE 2
                     operator_stack.push(lowerCamelCase       )
              elif i == ")":
                     # RULE 4
                     _A					:     List[str]     = operator_stack.peek()
                     operator_stack.pop()
                     _A					:     Dict     = operand_stack.peek()
                     operand_stack.pop()
                     _A					:     Optional[int]     = operand_stack.peek()
                     operand_stack.pop()

                     _A					:     Dict     = operators[opr](lowerCamelCase  ,lowerCamelCase       )
                     operand_stack.push(lowerCamelCase       )

    # RULE 5
       return operand_stack.peek()


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






