
'''simple docstring'''



from .balanced_parentheses import balanced_parentheses
from .stack import Stack
def       lowerCAmelCase_		( SCREAMING_SNAKE_CASE_  )   ->   Tuple:




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




   """simple docstring"""
   if not balanced_parentheses(__lowerCamelCase  ):
      raise ValueError("""Mismatched parentheses"""  )
   _SCREAMING_SNAKE_CASE          = Stack()
   _SCREAMING_SNAKE_CASE          = []
   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__					:						Optional[int]											=     "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))













from itertools import permutations






def 			lowerCamelCase__	():
     _SCREAMING_SNAKE_CASE				:		Dict  			=							list(map("".join,				permutations("0123456789"		)		)		)
     return result[999999]


if __name__ == "__main__":
       print(solution())