





def     _lowerCAmelCase		(  _lowerCAmelCase     ):
   '''simple docstring'''


   A_     :				int			      =	[]
   A_     :				int			      =	[]
   A_     :				List[Any]			      =	{
       """^""": 3,
       """*""": 2,
       """/""": 2,
       """%""": 2,
       """+""": 1,
       """-""": 1,
   }  # Priority of each operator
   A_     :				List[Any]			      =	len(_lowerCAmelCase     ) if (len(_lowerCAmelCase     ) > 7) else 7

   # Print table header for output
   print(
       """Symbol""".center(8     )  ,"""Stack""".center(_lowerCAmelCase     )  ,"""Postfix""".center(_lowerCAmelCase     )  ,sep=""" | """  ,)
   print("""-""" * (print_width * 3 + 7)     )

   for x in infix:
      if x.isalpha() or x.isdigit():
         post_fix.append(_lowerCAmelCase     )  # if x is Alphabet / Digit, add it to Postfix
      elif x == "(":
         stack.append(_lowerCAmelCase     )  # if x is "(" push to Stack
      elif x == ")":  # if x is ")" pop stack until "(" is encountered
         while stack[-1] != "(":
            post_fix.append(stack.pop()     )  # Pop stack & add the content to Postfix
         stack.pop()
      else:
         if len(_lowerCAmelCase     ) == 0:
            stack.append(_lowerCAmelCase     )  # If stack is empty, push x to stack
         else:  # while priority of x is not > priority of element in the stack
            while len(_lowerCAmelCase     ) > 0 and priority[x] <= priority[stack[-1]]:
               post_fix.append(stack.pop()     )  # pop stack & add to Postfix
            stack.append(_lowerCAmelCase     )  # push x to stack

      print(
          x.center(8     )  ,("""""".join(_lowerCAmelCase     )).ljust(_lowerCAmelCase     )  ,("""""".join(_lowerCAmelCase     )).ljust(_lowerCAmelCase     )  ,sep=""" | """  ,)  # Output in tabular format

   while len(_lowerCAmelCase     ) > 0:  # while stack is not empty
      post_fix.append(stack.pop()     )  # pop stack & add to Postfix
      print(
          """ """.center(8     )  ,("""""".join(_lowerCAmelCase     )).ljust(_lowerCAmelCase     )  ,("""""".join(_lowerCAmelCase     )).ljust(_lowerCAmelCase     )  ,sep=""" | """  ,)  # Output in tabular format

   return "".join(_lowerCAmelCase     )  # return Postfix as str



def     _lowerCAmelCase		(  _lowerCAmelCase     ):
   '''simple docstring'''


   A_     :				str			      =	list(infix[::-1]     )  # reverse the infix equation

   for i in range(len(_lowerCAmelCase     )     ):
      if infix[i] == "(":
         A_     :				Optional[int]			      =	""")"""  # change "(" to ")"
      elif infix[i] == ")":
         A_     :				Union[str, Any]			      =	"""("""  # change ")" to "("

   return (infix_2_postfix("""""".join(_lowerCAmelCase     )     ))[
       ::-1
   ]  # call infix_2_postfix on Infix, return reverse of Postfix


if __name__ == "__main__":
      _lowerCAmelCase 				=     input("""\nEnter an Infix Equation = """)  # Input an Infix equation
      _lowerCAmelCase 				=     """""".join(Infix.split())  # Remove spaces from the input
      print("""\n\t""", Infix, """(Infix) -> """, infix_2_prefix(Infix), """(Prefix)""")













from typing import List

from .keymap import KEYMAP, get_character



def     _lowerCAmelCase		(  _lowerCAmelCase     ):
   '''simple docstring'''


   def decorator(_lowerCAmelCase     ):
      A_     :				List[Any]			      =	getattr(_lowerCAmelCase  ,"""handle_key"""  ,[]     )
      handle += [key]
      setattr(_lowerCAmelCase  ,"""handle_key"""  ,_lowerCAmelCase     )
      return func

   return decorator



def     _lowerCAmelCase		(  *_lowerCAmelCase     ):
   '''simple docstring'''


   def decorator(_lowerCAmelCase     ):
      A_     :				Tuple			      =	getattr(_lowerCAmelCase  ,"""handle_key"""  ,[]     )
      handle += keys
      setattr(_lowerCAmelCase  ,"""handle_key"""  ,_lowerCAmelCase     )
      return func

   return decorator

class    _UpperCAmelCase							(		_lowerCamelCase     ):
      def __new__(		cls      ,       a__      ,       a__      ,       a__       ):
         A_     :				Any			      =	super().__new__(cls      ,       a__      ,       a__      ,       a__       )
         if not hasattr(a__      ,       """key_handler"""       ):
            setattr(a__      ,       """key_handler"""      ,       {}       )
         setattr(a__      ,       """handle_input"""      ,       KeyHandler.handle_input       )

         for value in attrs.values():
            A_     :				Tuple			      =	getattr(a__      ,       """handle_key"""      ,       []       )
            for key in handled_keys:
               A_     :				Optional[Any]			      =	value
         return new_cls






      @staticmethod
      def 		_lowerCamelCase      (		cls       ):
         A_     :				List[str]			      =	get_character()
         if char != KEYMAP["undefined"]:
            A_     :				str			      =	ord(a__       )
         A_     :				List[str]			      =	cls.key_handler.get(a__       )
         if handler:
            A_     :				Optional[int]			      =	char
            return handler(cls       )
         else:
            return None






def     _lowerCAmelCase		(  cls     ):
   '''simple docstring'''


   return KeyHandler(cls.__name__  ,cls.__bases__  ,cls.__dict__.copy()     )






