UpperCamelCase__											=					'ABCDEFGHIJKLMNOPQRSTUVWXYZ'




def    lowerCAmelCase_ (     )     ->				None:







      '''simple docstring'''


      UpperCAmelCase__								=  input("Enter message: "							)
      UpperCAmelCase__								=  input("Enter key [alphanumeric]: "							)
      UpperCAmelCase__								=  input("Encrypt/Decrypt [e/d]: "							)

      if mode.lower().startswith("e"							):
            UpperCAmelCase__								=  "encrypt"
            UpperCAmelCase__								=  encrypt_message(__A,  __A							)
      elif mode.lower().startswith("d"							):
            UpperCAmelCase__								=  "decrypt"
            UpperCAmelCase__								=  decrypt_message(__A,  __A							)

      print(f"""\n{mode.title()}ed message:"""							)
      print(__A							)




def    lowerCAmelCase_ (     __A,  __A							)     ->				str:







      '''simple docstring'''


      return translate_message(__A,  __A,  "encrypt"							)




def    lowerCAmelCase_ (     __A,  __A							)     ->				str:







      '''simple docstring'''


      return translate_message(__A,  __A,  "decrypt"							)




def    lowerCAmelCase_ (     __A,  __A,  __A							)     ->				str:







      '''simple docstring'''


      UpperCAmelCase__								=  []
      UpperCAmelCase__								=  0
      UpperCAmelCase__								=  key.upper()

      for symbol in message:
            UpperCAmelCase__								=  LETTERS.find(symbol.upper()							)
            if num != -1:
                  if mode == "encrypt":
                        num += LETTERS.find(key[key_index]							)
                  elif mode == "decrypt":
                        num -= LETTERS.find(key[key_index]							)

                  num %= len(__A							)

                  if symbol.isupper():
                        translated.append(LETTERS[num]							)
                  elif symbol.islower():
                        translated.append(LETTERS[num].lower()							)

                  key_index += 1
                  if key_index == len(__A							):
                        UpperCAmelCase__								=  0
            else:
                  translated.append(__A							)
      return "".join(__A							)


if __name__ == "__main__":
      main()








import copy
from dataclasses import dataclass
from pathlib import Path
from typing import Dict, Optional, Union

@dataclass
class     _A       :
       UpperCamelCase__  :    Optional[Union[str, Path]]											=						None
       UpperCamelCase__  :    bool											=						False
       UpperCamelCase__  :    bool											=						False
       UpperCamelCase__  :    bool											=						False
       UpperCamelCase__  :    Optional[Dict]											=						None
       UpperCamelCase__  :    Optional[str]											=						None
       UpperCamelCase__  :    bool											=						False
       UpperCamelCase__  :    bool											=						False
       UpperCamelCase__  :    bool											=						False
       UpperCamelCase__  :    bool											=						True
       UpperCamelCase__  :    Optional[int]											=						None
       UpperCamelCase__  :    int											=						1
       UpperCamelCase__  :    Optional[Union[str, bool]]											=						None
       UpperCamelCase__  :    bool											=						False
       UpperCamelCase__  :    Optional[Dict]											=						None
       UpperCamelCase__  :    Optional[str]											=						None



       def 		_lowerCamelCase			(		self							:     Union[str, Any]):


           '''simple docstring'''

           return self.__class__(**{k: copy.deepcopy(__SCREAMING_SNAKE_CASE) for k, v in self.__dict__.items()})





