


from __future__ import annotations

from collections.abc import Iterable, Iterator
from dataclasses import dataclass

__UpperCamelCase    		=       (3, 9, -1_1, 0, 7, 5, 1, -1)
__UpperCamelCase    		=       (4, 6, 2, 0, 8, 1_0, 3, -2)







@dataclass
class        lowerCamelCase__	:






   """simple docstring"""






   _UpperCamelCase		:					List[Any]    =		42
   _UpperCamelCase		:					Dict    =		42







class        lowerCamelCase__	:






   """simple docstring"""






   def __init__(							self      ,						snake_case     ):

      '''simple docstring'''


      UpperCamelCase__					=       None
      for i in sorted(__A      ,						reverse=__A     ):
         UpperCamelCase__					=       Node(__A      ,						self.head     )




   def __iter__(							self     ):

      '''simple docstring'''


      UpperCamelCase__					=       self.head
      while node:
         yield node.data
         UpperCamelCase__					=       node.next_node




   def __len__(							self     ):

      '''simple docstring'''


      return sum(1 for _ in self     )







   def __str__(							self     ):

      '''simple docstring'''


      return " -> ".join([str(__A     ) for node in self]     )



def        UpperCamelCase_(				_A   :SortedLinkedList				,     _A   :SortedLinkedList  )->		Optional[int]:
   return SortedLinkedList(list(_lowerCAmelCase  ) + list(_lowerCAmelCase  )  )


if __name__ == "__main__":
      import doctest

      doctest.testmod()
      __UpperCamelCase    		=       SortedLinkedList
      print(merge_lists(SSL(test_data_odd), SSL(test_data_even)))






def        UpperCamelCase_(				_A   :str  )->		str:
			UpperCamelCase__					=       ""
			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        UpperCamelCase_(				_A   :str  )->		dict[str, str]:
			UpperCamelCase__					=       [chr(i + 65  ) for i in range(26  )]
			# Remove duplicate characters from key
			UpperCamelCase__					=       remove_duplicates(key.upper()  )
			UpperCamelCase__					=       len(_A  )
			# First fill cipher with key characters
			UpperCamelCase__					=       {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  ):
						UpperCamelCase__					=       alphabet[i - offset]
						# Ensure we are not mapping letters to letters previously mapped
						while char in key:
									offset -= 1
									UpperCamelCase__					=       alphabet[i - offset]
						UpperCamelCase__					=       char
			return cipher_alphabet
def        UpperCamelCase_(				_A   :str				,     _A   :dict[str, str]  )->		str:
			return "".join(cipher_map.get(_A				,     _A  ) for ch in message.upper()  )
def        UpperCamelCase_(				_A   :str				,     _A   :dict[str, str]  )->		str:
			UpperCamelCase__					=       {v: k for k, v in cipher_map.items()}
			return "".join(rev_cipher_map.get(_A				,     _A  ) for ch in message.upper()  )
def        UpperCamelCase_(				)->		None:
			UpperCamelCase__					=       input("Enter message to encode or decode: "  ).strip()
			UpperCamelCase__					=       input("Enter keyword: "  ).strip()
			UpperCamelCase__					=       input("Encipher or decipher? E/D:"  ).strip()[0].lower()
			try:
						UpperCamelCase__					=       {"e": encipher, "d": decipher}[option]
			except KeyError:
						raise KeyError("invalid input option"  )
			UpperCamelCase__					=       create_cipher_map(_A  )
			print(func(_A				,     _A  )  )


if __name__ == "__main__":
						import doctest

						doctest.testmod()
						main()


