from .balanced_parentheses import balanced_parentheses
from .stack import Stack
def 				__lowercase	(						lowerCamelCase__					)				->int:

  '''simple docstring'''




  return {"+": 1, "-": 1, "*": 2, "/": 2, "^": 3}.get(lowerCamelCase__ ,				-1					)
def 				__lowercase	(						lowerCamelCase__					)				->str:

  '''simple docstring'''




  if not balanced_parentheses(lowerCamelCase__					):
    raise ValueError("Mismatched parentheses"					)
  a__     		=     Stack()
  a__     		=     []
  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()
     _SCREAMING_SNAKE_CASE   						=    """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))


_SCREAMING_SNAKE_CASE   						=    [0.485, 0.456, 0.406]
_SCREAMING_SNAKE_CASE   						=    [0.229, 0.224, 0.225]
_SCREAMING_SNAKE_CASE   						=    [0.5, 0.5, 0.5]
_SCREAMING_SNAKE_CASE   						=    [0.5, 0.5, 0.5]
_SCREAMING_SNAKE_CASE   						=    [0.48145466, 0.4578275, 0.40821073]
_SCREAMING_SNAKE_CASE   						=    [0.26862954, 0.26130258, 0.27577711]

