





import math





def 					lowerCAmelCase_			(	)					->		None:







  """simple docstring"""





  lowerCamelCase__:				Optional[int]        =input("Enter message: "		)
  lowerCamelCase__:				Dict        =int(input(F"""Enter key [2-{len(__a		) - 1}]: """		)		)
  lowerCamelCase__:				Dict        =input("Encryption/Decryption [e/d]: "		)

  if mode.lower().startswith("e"		):
    lowerCamelCase__:				Dict        =encrypt_message(__a     ,   __a		)
  elif mode.lower().startswith("d"		):
    lowerCamelCase__:				Dict        =decrypt_message(__a     ,   __a		)

  # Append pipe symbol (vertical bar) to identify spaces at the end.
  print(F"""Output:\n{text + "|"}"""		)





def 					lowerCAmelCase_			(	__a     ,   __a		)					->		str:







  """simple docstring"""





  lowerCamelCase__:				Optional[Any]        =[""] * key
  for col in range(__a		):
    lowerCamelCase__:				Dict        =col
    while pointer < len(__a		):
      cipher_text[col] += message[pointer]
      pointer += key
  return "".join(__a		)





def 					lowerCAmelCase_			(	__a     ,   __a		)					->		str:







  """simple docstring"""





  lowerCamelCase__:				List[Any]        =math.ceil(len(__a		) / key		)
  lowerCamelCase__:				List[Any]        =key
  lowerCamelCase__:				Optional[int]        =(num_cols * num_rows) - len(__a		)
  lowerCamelCase__:				int        =[""] * num_cols
  lowerCamelCase__:				Optional[Any]        =0
  lowerCamelCase__:				Dict        =0

  for symbol in message:
    plain_text[col] += symbol
    col += 1

    if (
        (col == num_cols)
        or (col == num_cols - 1)
        and (row >= num_rows - num_shaded_boxes)
    ):
      lowerCamelCase__:				Dict        =0
      row += 1

  return "".join(__a		)


if __name__ == "__main__":
     import doctest

     doctest.testmod()
     main()








from ..utils import DummyObject, requires_backends



class        _SCREAMING_SNAKE_CASE						(     metaclass=__SCREAMING_SNAKE_CASE   ):







 '''simple docstring'''
 lowercase_		=      ["torch", "torchsde"]

 def __init__(self    :       Union[str, Any]	,			*UpperCAmelCase_    :       Dict	,			**UpperCAmelCase_    :       Tuple)	->Any:



   '''simple docstring'''



   requires_backends(self	,			["torch", "torchsde"])

 @classmethod
 def 							SCREAMING_SNAKE_CASE_ (cls    :       Dict	,			*UpperCAmelCase_    :       Optional[int]	,			**UpperCAmelCase_    :       Optional[int])	->List[Any]:



   '''simple docstring'''



   requires_backends(cls	,			["torch", "torchsde"])







 @classmethod
 def 							SCREAMING_SNAKE_CASE_ (cls    :       Tuple	,			*UpperCAmelCase_    :       Tuple	,			**UpperCAmelCase_    :       Any)	->Any:



   '''simple docstring'''



   requires_backends(cls	,			["torch", "torchsde"])

