




def 							lowerCamelCase    (							UpperCAmelCase_	:      str   ,       UpperCAmelCase_	:      str      )->			int:

       """simple docstring"""




       if not isinstance(_snake_case   ,       _snake_case      ):
              raise TypeError("""plaintext must be a string"""      )
       if not isinstance(_snake_case   ,       _snake_case      ):
              raise TypeError("""key must be a string"""      )

       if not plaintext:
              raise ValueError("""plaintext is empty"""      )
       if not key:
              raise ValueError("""key is empty"""      )

       key += plaintext
       a			   =plaintext.lower()
       a			   =key.lower()
       a			   =0
       a			   =0
       a			   =""""""
       while plaintext_iterator < len(_snake_case      ):
              if (
                  ord(plaintext[plaintext_iterator]      ) < 97
                  or ord(plaintext[plaintext_iterator]      ) > 122
              ):
                     ciphertext += plaintext[plaintext_iterator]
                     plaintext_iterator += 1
              elif ord(key[key_iterator]      ) < 97 or ord(key[key_iterator]      ) > 122:
                     key_iterator += 1
              else:
                     ciphertext += chr(
                         (
                             (ord(plaintext[plaintext_iterator]      ) - 97 + ord(key[key_iterator]      ))
                             - 97
                         )
                         % 26
                         + 97      )
                     key_iterator += 1
                     plaintext_iterator += 1
       return ciphertext





def 							lowerCamelCase    (							UpperCAmelCase_	:      str   ,       UpperCAmelCase_	:      str      )->			str:

       """simple docstring"""




       if not isinstance(_snake_case   ,       _snake_case      ):
              raise TypeError("""ciphertext must be a string"""      )
       if not isinstance(_snake_case   ,       _snake_case      ):
              raise TypeError("""key must be a string"""      )

       if not ciphertext:
              raise ValueError("""ciphertext is empty"""      )
       if not key:
              raise ValueError("""key is empty"""      )

       a			   =key.lower()
       a			   =0
       a			   =0
       a			   =""""""
       while ciphertext_iterator < len(_snake_case      ):
              if (
                  ord(ciphertext[ciphertext_iterator]      ) < 97
                  or ord(ciphertext[ciphertext_iterator]      ) > 122
              ):
                     plaintext += ciphertext[ciphertext_iterator]
              else:
                     plaintext += chr(
                         (ord(ciphertext[ciphertext_iterator]      ) - ord(key[key_iterator]      )) % 26
                         + 97      )
                     key += chr(
                         (ord(ciphertext[ciphertext_iterator]      ) - ord(key[key_iterator]      )) % 26
                         + 97      )
                     key_iterator += 1
              ciphertext_iterator += 1
       return plaintext


if __name__ == "__main__":
    import doctest

    doctest.testmod()
    _lowerCamelCase							=      int(input('''Type 1 to encrypt or 2 to decrypt:'''))
    if operation == 1:
        _lowerCamelCase							=      input('''Typeplaintext to be encrypted:\n''')
        _lowerCamelCase							=      input('''Type the key:\n''')
        print(encrypt(plaintext, key))
    elif operation == 2:
        _lowerCamelCase							=      input('''Type the ciphertext to be decrypted:\n''')
        _lowerCamelCase							=      input('''Type the key:\n''')
        print(decrypt(ciphertext, key))
    decrypt('''jsqqs avvwo''', '''coffee''')

"""simple docstring"""


from ..utils import DummyObject, requires_backends
class   UpperCAmelCase_	(				metaclass=lowercase__   ):
    snake_case_											=      ["""torch""", """transformers""", """k_diffusion"""]
    def __init__(	self			:       Optional[Any]   ,						*_lowercase			:       Optional[int]   ,						**_lowercase			:       List[str]		)						->    Dict:
       requires_backends(self   ,						["torch", "transformers", "k_diffusion"]		)
    @classmethod
    def 		_lowerCamelCase      (	cls			:       Union[str, Any]   ,						*_lowercase			:       Any   ,						**_lowercase			:       List[Any]		)						->    str:
       requires_backends(cls   ,						["torch", "transformers", "k_diffusion"]		)




    @classmethod
    def 		_lowerCamelCase      (	cls			:       Optional[Any]   ,						*_lowercase			:       List[Any]   ,						**_lowercase			:       Any		)						->    Any:
       requires_backends(cls   ,						["torch", "transformers", "k_diffusion"]		)