from .balanced_parentheses import balanced_parentheses
from .stack import Stack







def 						UpperCAmelCase							(		lowerCAmelCase_							)						->						int:
     return {"+": 1, "-": 1, "*": 2, "/": 2, "^": 3}.get(lowerCAmelCase_    ,   -1							)







def 						UpperCAmelCase							(		lowerCAmelCase_							)						->						str:
     if not balanced_parentheses(lowerCAmelCase_							):
          raise ValueError('''Mismatched parentheses'''							)
     a	:     Stack[str]						      =    Stack()
     a	:     int						      =    []
     for char in expression_str:
          if char.isalpha() or char.isdigit():
               postfix.append(lowerCAmelCase_							)
          elif char == "(":
               stack.push(lowerCAmelCase_							)
          elif char == ")":
               while not stack.is_empty() and stack.peek() != "(":
                    postfix.append(stack.pop()							)
               stack.pop()
          else:
               while not stack.is_empty() and precedence(lowerCAmelCase_							) <= precedence(stack.peek()							):
                    postfix.append(stack.pop()							)
               stack.push(lowerCAmelCase_							)
     while not stack.is_empty():
          postfix.append(stack.pop()							)
     return " ".join(lowerCAmelCase_							)


if __name__ == "__main__":
  from doctest import testmod

  testmod()
  UpperCAmelCase				 =   """a+b*(c^d-e)^(f+g*h)-i"""

  print("""Infix to Postfix Notation demonstration:\n""")
  print("""Infix notation: """ + expression)
  print("""Postfix notation: """ + infix_to_postfix(expression))
UpperCAmelCase				 =   {
    0: """underwear""",
    1: """pants""",
    2: """belt""",
    3: """suit""",
    4: """shoe""",
    5: """socks""",
    6: """shirt""",
    7: """tie""",
    8: """watch""",
}

UpperCAmelCase				 =   [[1, 4], [2, 4], [3], [], [], [4], [2, 7], [3], []]

UpperCAmelCase				 =   [0 for x in range(len(graph))]
UpperCAmelCase				 =   []







def 						UpperCAmelCase							(		lowerCAmelCase_    ,   lowerCAmelCase_							)						->						List[Any]:
     a	:     Tuple						      =    1
     while stack:
          a	:     Optional[Any]						      =    stack.pop()
          print(lowerCAmelCase_    ,   clothes[current_clothing]							)
          order += 1







def 						UpperCAmelCase							(		lowerCAmelCase_    ,   lowerCAmelCase_    ,   lowerCAmelCase_							)						->						Any:
     a	:     Union[str, Any]						      =    1
     for v in graph[u]:
          if not visited[v]:
               depth_first_search(lowerCAmelCase_    ,   lowerCAmelCase_    ,   lowerCAmelCase_							)

     stack.append(lowerCAmelCase_							)







def 						UpperCAmelCase							(		lowerCAmelCase_    ,   lowerCAmelCase_							)						->						Optional[Any]:
     for v in range(len(lowerCAmelCase_							)							):
          if not visited[v]:
               depth_first_search(lowerCAmelCase_    ,   lowerCAmelCase_    ,   lowerCAmelCase_							)


if __name__ == "__main__":
  topological_sort(graph, visited)
  print(stack)
  print_stack(stack, clothes)