






def 			A__							(      _a  :					str	):





 '''simple docstring'''







 snake_case__  :    Union[str, Any]							       =""""""
 for ch in key:
  if ch == " " or ch not in key_no_dups and ch.isalpha():
   key_no_dups += ch
 return key_no_dups







def 			A__							(      _a  :					str	):





 '''simple docstring'''







 snake_case__  :    List[str]							       =[chr(i + 65	) for i in range(26	)]
 # Remove duplicate characters from key
 snake_case__  :    Any							       =remove_duplicates(key.upper()	)
 snake_case__  :    Union[str, Any]							       =len(_a	)
 # First fill cipher with key characters
 snake_case__  :    Optional[Any]							       ={alphabet[i]: char for i, char in enumerate(_a	)}
 # Then map remaining characters in alphabet to
 # the alphabet from the beginning
 for i in range(len(_a	)		,  26	):
  snake_case__  :    Optional[int]							       =alphabet[i - offset]
  # Ensure we are not mapping letters to letters previously mapped
  while char in key:
   offset -= 1
   snake_case__  :    Tuple							       =alphabet[i - offset]
  snake_case__  :    Union[str, Any]							       =char
 return cipher_alphabet







def 			A__							(      _a  :					str		,  _a  :					dict[str, str]	):





 '''simple docstring'''







 return "".join(cipher_map.get(_a		,  _a	) for ch in message.upper()	)







def 			A__							(      _a  :					str		,  _a  :					dict[str, str]	):





 '''simple docstring'''







 snake_case__  :    List[Any]							       ={v: k for k, v in cipher_map.items()}
 return "".join(rev_cipher_map.get(_a		,  _a	) for ch in message.upper()	)







def 			A__							(      ):





 '''simple docstring'''







 snake_case__  :    Tuple							       =input("""Enter message to encode or decode: """	).strip()
 snake_case__  :    Optional[Any]							       =input("""Enter keyword: """	).strip()
 snake_case__  :    List[Any]							       =input("""Encipher or decipher? E/D:"""	).strip()[0].lower()
 try:
  snake_case__  :    Union[str, Any]							       ={"""e""": encipher, """d""": decipher}[option]
 except KeyError:
  raise KeyError("""invalid input option"""	)
 snake_case__  :    int							       =create_cipher_map(_a	)
 print(func(_a		,  _a	)	)


if __name__ == "__main__":
       import doctest

       doctest.testmod()
       main()













class  _lowercase   :
      def __init__(     self				,			a   ):
       snake_case__  :    Optional[int]							       =size
       snake_case__  :    List[Any]							       =[0] * size
       snake_case__  :    List[Any]							       =[0] * size
      @staticmethod
      def 						lowercase__					(     a   ):
       return index | (index + 1)
      @staticmethod
      def 						lowercase__					(     a   ):
       return (index & (index + 1)) - 1
      def 						lowercase__					(     self				,			a				,			a   ):
       snake_case__  :    Optional[Any]							       =value
       while index < self.size:
        snake_case__  :    str							       =self.get_prev(a   ) + 1
        if current_left_border == index:
         snake_case__  :    Dict							       =value
        else:
         snake_case__  :    str							       =max(a				,			a				,			a   )
        snake_case__  :    Dict							       =self.get_next(a   )



      def 						lowercase__					(     self				,			a				,			a   ):
       right -= 1  # Because of right is exclusive
       snake_case__  :    Union[str, Any]							       =0
       while left <= right:
        snake_case__  :    List[str]							       =self.get_prev(a   )
        if left <= current_left:
         snake_case__  :    Optional[Any]							       =max(a				,			self.tree[right]   )
         snake_case__  :    Optional[Any]							       =current_left
        else:
         snake_case__  :    Tuple							       =max(a				,			self.arr[right]   )
         right -= 1
       return result


if __name__ == "__main__":
       import doctest

       doctest.testmod()





