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 os
  import unittest
  
  from transformers import MPNetTokenizerFast
  from transformers.models.mpnet.tokenization_mpnet import VOCAB_FILES_NAMES, MPNetTokenizer
  from transformers.testing_utils import require_tokenizers, slow
  
  from ...test_tokenization_common import TokenizerTesterMixin
  
  
  
  
  
  @require_tokenizers
  class        lowercase_				( UpperCamelCase__			,unittest.TestCase):
  
  
  
  
  
  
  							"""simple docstring"""
  
  
  
  
  
  
  
  							snake_case_        =		MPNetTokenizer
  							snake_case_        =		MPNetTokenizerFast
  							snake_case_        =		True
  							snake_case_        =		True
  
  
  							def 						lowercase__     (   self		):
  
  
  
  
  
  
  
  													"""simple docstring"""
  
  
  													super().setUp()
  
  													a_					=		[
  													    """[UNK]""",
  													    """[CLS]""",
  													    """[SEP]""",
  													    """[PAD]""",
  													    """[MASK]""",
  													    """want""",
  													    """##want""",
  													    """##ed""",
  													    """wa""",
  													    """un""",
  													    """runn""",
  													    """##ing""",
  													    """,""",
  													    """low""",
  													    """lowest""",
  													]
  													a_					=		os.path.join(self.tmpdirname			,    VOCAB_FILES_NAMES["""vocab_file"""]		)
  													with open(self.vocab_file			,    """w"""			,    encoding="""utf-8"""		) as vocab_writer:
  																			vocab_writer.write("""""".join([x + """\n""" for x in vocab_tokens]		)		)
  
  
  							def 						lowercase__     (   self			,    _UpperCAmelCase		):
  
  
  
  
  
  
  
  													"""simple docstring"""
  
  
  													a_					=		"""UNwant\u00E9d,running"""
  													a_					=		"""unwanted, running"""
  													return input_text, output_text
  
  
  							def 						lowercase__     (   self		):
  
  
  
  
  
  
  
  													"""simple docstring"""
  
  
  													a_					=		self.tokenizer_class(self.vocab_file		)
  
  													a_					=		tokenizer.tokenize("""UNwant\u00E9d,running"""		)
  													self.assertListEqual(_UpperCAmelCase			,    ["""un""", """##want""", """##ed""", """,""", """runn""", """##ing"""]		)
  													self.assertListEqual(tokenizer.convert_tokens_to_ids(_UpperCAmelCase		)			,    [9, 6, 7, 12, 10, 11]		)
  
  
  
  
  
  
  							@slow
  							def 						lowercase__     (   self		):
  
  
  
  
  
  
  
  													"""simple docstring"""
  
  
  													a_					=		self.tokenizer_class.from_pretrained("""microsoft/mpnet-base"""		)
  
  													a_					=		tokenizer.encode("""sequence builders"""			,    add_special_tokens=_UpperCAmelCase		)
  													a_					=		tokenizer.encode("""multi-sequence build"""			,    add_special_tokens=_UpperCAmelCase		)
  
  													a_					=		tokenizer.build_inputs_with_special_tokens(_UpperCAmelCase		)
  													a_					=		tokenizer.build_inputs_with_special_tokens(_UpperCAmelCase			,    _UpperCAmelCase		)
  
  													assert encoded_sentence == [0] + text + [2]
  													assert encoded_pair == [0] + text + [2] + [2] + text_a + [2]