from __future__ import annotations

from enum import Enum, unique
from typing import TypeVar

# Create a generic variable that can be 'Enum', or any subclass.
a     :			Optional[int]					    =						TypeVar("""T""", bound="""Enum""")

@unique
class 				_lowercase						(    UpperCAmelCase__ ):






    '''simple docstring'''
    SCREAMING_SNAKE_CASE:							List[str]        =						80
    SCREAMING_SNAKE_CASE:							Dict        =						70
    SCREAMING_SNAKE_CASE:							int        =						60
    SCREAMING_SNAKE_CASE:							Union[str, Any]        =						50
    SCREAMING_SNAKE_CASE:							str        =						40
    SCREAMING_SNAKE_CASE:							Any        =						30
    SCREAMING_SNAKE_CASE:							Tuple        =						20
    SCREAMING_SNAKE_CASE:							int        =						10





@unique
class 				_lowercase						(    UpperCAmelCase__ ):






    '''simple docstring'''
    SCREAMING_SNAKE_CASE:							str        =						24
    SCREAMING_SNAKE_CASE:							str        =						21
    SCREAMING_SNAKE_CASE:							List[str]        =						18
    SCREAMING_SNAKE_CASE:							List[Any]        =						15
    SCREAMING_SNAKE_CASE:							Any        =						12
    SCREAMING_SNAKE_CASE:							Dict        =						9
    SCREAMING_SNAKE_CASE:							Union[str, Any]        =						6
    SCREAMING_SNAKE_CASE:							int        =						3
    SCREAMING_SNAKE_CASE:							Dict        =						2
    SCREAMING_SNAKE_CASE:							Any        =						1
    SCREAMING_SNAKE_CASE:							int        =						-1
    SCREAMING_SNAKE_CASE:							int        =						-2
    SCREAMING_SNAKE_CASE:							List[Any]        =						-3
    SCREAMING_SNAKE_CASE:							Tuple        =						-6
    SCREAMING_SNAKE_CASE:							Any        =						-9
    SCREAMING_SNAKE_CASE:							Optional[int]        =						-12
    SCREAMING_SNAKE_CASE:							Tuple        =						-15
    SCREAMING_SNAKE_CASE:							Any        =						-18
    SCREAMING_SNAKE_CASE:							Dict        =						-21
    SCREAMING_SNAKE_CASE:							Any        =						-24




    @classmethod
    def     _a						(						cls   ):
       return {unit.name: unit.value for unit in cls if unit.value > 0}




    @classmethod
    def     _a						(						cls   ):
       return {unit.name: unit.value for unit in cls if unit.value < 0}





def 		snake_case__  (		lowercase				):
   lowerCAmelCase_:       Tuple         =  SIUnit.get_positive() if value > 0 else SIUnit.get_negative()
   for name_prefix, value_prefix in prefixes.items():
      lowerCAmelCase_:       Dict         =  value / (10**value_prefix)
      if numerical_part > 1:
         return F'''{numerical_part!s} {name_prefix}'''
   return str(lowercase				)
def 		snake_case__  (		lowercase				):
   for prefix in BinaryUnit:
      lowerCAmelCase_:       Optional[int]         =  value / (2**prefix.value)
      if numerical_part > 1:
         return F'''{numerical_part!s} {prefix.name}'''
   return str(lowercase				)


if __name__ == "__main__":
     import doctest

     doctest.testmod()
from .balanced_parentheses import balanced_parentheses
from .stack import Stack
def 		snake_case__  (		lowercase				):
   return {"+": 1, "-": 1, "*": 2, "/": 2, "^": 3}.get(lowercase       ,							-1				)
def 		snake_case__  (		lowercase				):
   if not balanced_parentheses(lowercase				):
      raise ValueError("Mismatched parentheses"				)
   lowerCAmelCase_:       Stack[str]         =  Stack()
   lowerCAmelCase_:       Union[str, Any]         =  []
   for char in expression_str:
      if char.isalpha() or char.isdigit():
         postfix.append(lowercase				)
      elif char == "(":
         stack.push(lowercase				)
      elif char == ")":
         while not stack.is_empty() and stack.peek() != "(":
            postfix.append(stack.pop()				)
         stack.pop()
      else:
         while not stack.is_empty() and precedence(lowercase				) <= precedence(stack.peek()				):
            postfix.append(stack.pop()				)
         stack.push(lowercase				)
   while not stack.is_empty():
      postfix.append(stack.pop()				)
   return " ".join(lowercase				)


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

 testmod()
 a     :			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))