
"""simple docstring"""





def       __a	(						__lowerCamelCase,						__lowerCamelCase    ):
   if not isinstance(__lowerCamelCase,						__lowerCamelCase    ):
      raise TypeError("plaintext must be a string"    )
   if not isinstance(__lowerCamelCase,						__lowerCamelCase    ):
      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
   UpperCAmelCase_   :   Optional[int]     	=       plaintext.lower()
   UpperCAmelCase_   :   Any     	=       key.lower()
   UpperCAmelCase_   :   Optional[int]     	=       0
   UpperCAmelCase_   :   List[str]     	=       0
   UpperCAmelCase_   :   Optional[int]     	=       ""
   while plaintext_iterator < len(__lowerCamelCase    ):
      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       __a	(						__lowerCamelCase,						__lowerCamelCase    ):
   if not isinstance(__lowerCamelCase,						__lowerCamelCase    ):
      raise TypeError("ciphertext must be a string"    )
   if not isinstance(__lowerCamelCase,						__lowerCamelCase    ):
      raise TypeError("key must be a string"    )

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

   UpperCAmelCase_   :   List[str]     	=       key.lower()
   UpperCAmelCase_   :   Tuple     	=       0
   UpperCAmelCase_   :   Optional[int]     	=       0
   UpperCAmelCase_   :   Dict     	=       ""
   while ciphertext_iterator < len(__lowerCamelCase    ):
      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()
    _a									=				int(input('Type 1 to encrypt or 2 to decrypt:'))
    if operation == 1:
        _a									=				input('Typeplaintext to be encrypted:\n')
        _a									=				input('Type the key:\n')
        print(encrypt(plaintext, key))
    elif operation == 2:
        _a									=				input('Type the ciphertext to be decrypted:\n')
        _a									=				input('Type the key:\n')
        print(decrypt(ciphertext, key))
    decrypt('jsqqs avvwo', 'coffee')






'''simple docstring'''




from collections import Counter
from functools import total_ordering

from data_structures.heap.heap import Heap





@total_ordering
class _snake_case :
							"""simple docstring"""





							def __init__( self      ,					__A      ,					__A						)  ->None:



											"""simple docstring"""







											__lowerCamelCase		:   List[Any]           =       word
											__lowerCamelCase		:   Optional[Any]           =       count







							def __eq__( self      ,					__A						)  ->bool:



											"""simple docstring"""







											if not isinstance(__A      ,					__A						):
															return NotImplemented
											return self.count == other.count







							def __lt__( self      ,					__A						)  ->bool:



											"""simple docstring"""







											if not isinstance(__A      ,					__A						):
															return NotImplemented
											return self.count < other.count





def 				a_							(    lowercase				,    lowercase     )      ->list[str]:






				'''simple docstring'''

				__lowerCamelCase		:   Heap[WordCount]           =       Heap()
				__lowerCamelCase		:   int           =       Counter(lowercase     )
				heap.build_max_heap(
				    [WordCount(lowercase				,    lowercase     ) for word, count in count_by_word.items()]     )
				return [heap.extract_max().word for _ in range(min(lowercase				,    len(lowercase     )     )     )]


if __name__ == "__main__":
				import doctest

				doctest.testmod()





