code: 
  
  
  from __future__ import annotations
  
  
  
  
  def   lowerCamelCase_       (					UpperCAmelCase__       ,    UpperCAmelCase__      ):
  
  
  
  						"""simple docstring"""
  
  
  
  
  						a_			,   a_			,   a_					=		"""""", """""", """"""
  						a_					=		[]
  
  						for character in message_part:
  												tmp.append(character_to_number[character]      )
  
  						for each in tmp:
  												one += each[0]
  												two += each[1]
  												three += each[2]
  
  						return one + two + three
  
  
  
  
  def   lowerCamelCase_       (					UpperCAmelCase__       ,    UpperCAmelCase__      ):
  
  
  
  						"""simple docstring"""
  
  
  
  
  						a_			,   a_					=		"""""", """"""
  						a_					=		[]
  
  						for character in message_part:
  												this_part += character_to_number[character]
  
  						for digit in this_part:
  												tmp += digit
  												if len(UpperCAmelCase__      ) == len(UpperCAmelCase__      ):
  																		result.append(UpperCAmelCase__      )
  																		a_					=		""""""
  
  						return result[0], result[1], result[2]
  
  
  
  
  def   lowerCamelCase_       (					UpperCAmelCase__       ,    UpperCAmelCase__      ):
  
  
  
  						"""simple docstring"""
  
  
  
  
  						a_					=		alphabet.replace(""" """       ,    """"""      ).upper()
  						a_					=		message.replace(""" """       ,    """"""      ).upper()
  
  						# Check length and characters
  						if len(UpperCAmelCase__      ) != 27:
  												raise KeyError("""Length of alphabet has to be 27."""      )
  						for each in message:
  												if each not in alphabet:
  																		raise ValueError("""Each message character has to be included in alphabet!"""      )
  
      # Generate dictionares
  						a_					=		(
  						    """111""",
  						    """112""",
  						    """113""",
  						    """121""",
  						    """122""",
  						    """123""",
  						    """131""",
  						    """132""",
  						    """133""",
  						    """211""",
  						    """212""",
  						    """213""",
  						    """221""",
  						    """222""",
  						    """223""",
  						    """231""",
  						    """232""",
  						    """233""",
  						    """311""",
  						    """312""",
  						    """313""",
  						    """321""",
  						    """322""",
  						    """323""",
  						    """331""",
  						    """332""",
  						    """333""",
  						)
  						a_					=		{}
  						a_					=		{}
  						for letter, number in zip(UpperCAmelCase__       ,    UpperCAmelCase__      ):
  												a_					=		number
  												a_					=		letter
  
  						return message, alphabet, character_to_number, number_to_character
  
  
  
  
  def   lowerCamelCase_       (					UpperCAmelCase__       ,    UpperCAmelCase__ = "ABCDEFGHIJKLMNOPQRSTUVWXYZ."       ,    UpperCAmelCase__ = 5      ):
  
  
  
  						"""simple docstring"""
  
  
  
  
  						a_			,   a_			,   a_			,   a_					=		__prepare(
  						    UpperCAmelCase__       ,    UpperCAmelCase__      )
  						a_			,   a_					=		"""""", """"""
  
  						for i in range(0       ,    len(UpperCAmelCase__      ) + 1       ,    UpperCAmelCase__      ):
  												encrypted_numeric += __encrypt_part(
  												    message[i : i + period]       ,    UpperCAmelCase__      )
  
  						for i in range(0       ,    len(UpperCAmelCase__      )       ,    3      ):
  												encrypted += number_to_character[encrypted_numeric[i : i + 3]]
  
  						return encrypted
  
  
  
  
  def   lowerCamelCase_       (					UpperCAmelCase__       ,    UpperCAmelCase__ = "ABCDEFGHIJKLMNOPQRSTUVWXYZ."       ,    UpperCAmelCase__ = 5      ):
  
  
  
  						"""simple docstring"""
  
  
  
  
  						a_			,   a_			,   a_			,   a_					=		__prepare(
  						    UpperCAmelCase__       ,    UpperCAmelCase__      )
  						a_					=		[]
  						a_					=		""""""
  
  						for i in range(0       ,    len(UpperCAmelCase__      ) + 1       ,    UpperCAmelCase__      ):
  												a_			,   a_			,   a_					=		__decrypt_part(message[i : i + period]       ,    UpperCAmelCase__      )
  
  												for j in range(0       ,    len(UpperCAmelCase__      )      ):
  																		decrypted_numeric.append(a[j] + b[j] + c[j]      )
  
  						for each in decrypted_numeric:
  												decrypted += number_to_character[each]
  
  						return decrypted
  
  
  if __name__ == "__main__":
  	A_    :					Tuple             ="""DEFEND THE EAST WALL OF THE CASTLE."""
  	A_    :					List[str]             =encrypt_message(msg, """EPSDUCVWYM.ZLKXNBTFGORIJHAQ""")
  	A_    :					Dict             =decrypt_message(encrypted, """EPSDUCVWYM.ZLKXNBTFGORIJHAQ""")
  	print(F'''Encrypted: {encrypted}\nDecrypted: {decrypted}''')
style_context: 
  
  
  import abc
  import copy
  import dataclasses
  from dataclasses import dataclass
  from typing import ClassVar, Dict, Type, TypeVar
  
  from ..features import Features
  
  
  A_    :					Tuple             =TypeVar("""T""", bound="""TaskTemplate""")
  
  
  
  
  
  @dataclass(frozen=UpperCamelCase__)
  class        lowercase_				( abc.ABC):
  
  
  
  
  
  
  							"""simple docstring"""
  
  
  
  
  
  
  
  							snake_case_        =		42
  							snake_case_        =		42
  							snake_case_        =		42
  
  
  							def 						lowercase__     (   self			,    _UpperCAmelCase		):
  
  
  
  
  
  
  
  													"""simple docstring"""
  
  
  													return copy.deepcopy(self		)
  
  
  							@property
  							def 						lowercase__     (   self		):
  
  
  
  
  
  
  
  													"""simple docstring"""
  
  
  													return Features(**self.input_schema			,    **self.label_schema		)
  
  
  							@property
  							@abc.abstractmethod
  							def 						lowercase__     (   self		):
  
  
  
  
  
  
  
  													"""simple docstring"""
  
  
  													raise NotImplementedError
  
  
  
  
  
  
  							@classmethod
  							def 						lowercase__     (   cls			,    _UpperCAmelCase		):
  
  
  
  
  
  
  
  													"""simple docstring"""
  
  
  													a_					=		{f.name for f in dataclasses.fields(cls		)}
  													return cls(**{k: v for k, v in template_dict.items() if k in field_names}		)