code: 
  from __future__ import annotations
  
  
  
  def 		UpperCamelCase    (					_UpperCAmelCase     :      Union[str, Any]   , _UpperCAmelCase     :      Any     )      -> str:
  
  
  
  
  
  
  						'''simple docstring'''
  
  						_lowercase			,						_lowercase			,						_lowercase					:  Optional[Any]    			=      "", "", ""
  						_lowercase					:  List[Any]    			=      []
  
  						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 		UpperCamelCase    (					_UpperCAmelCase     :      str   , _UpperCAmelCase     :      List[Any]     )      -> tuple[str, str, str]:
  
  
  
  
  
  
  						'''simple docstring'''
  
  						_lowercase			,						_lowercase					:  Optional[int]    			=      "", ""
  						_lowercase					:  Union[str, Any]    			=      []
  
  						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     )
  																		_lowercase					:  int    			=      ""
  
  						return result[0], result[1], result[2]
  
  
  
  def 		UpperCamelCase    (					_UpperCAmelCase     :      int   , _UpperCAmelCase     :      Dict     )      -> tuple[str, str, dict[str, str], dict[str, str]]:
  
  
  
  
  
  
  						'''simple docstring'''
  
  						_lowercase					:  Dict    			=      alphabet.replace(" "   , ""     ).upper()
  						_lowercase					:  Dict    			=      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
  						_lowercase					:  Any    			=      (
  						    "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",
  						)
  						_lowercase					:  int    			=      {}
  						_lowercase					:  int    			=      {}
  						for letter, number in zip(_UpperCAmelCase   , _UpperCAmelCase     ):
  												_lowercase					:  Tuple    			=      number
  												_lowercase					:  List[str]    			=      letter
  
  						return message, alphabet, character_to_number, number_to_character
  
  
  
  def 		UpperCamelCase    (					_UpperCAmelCase     :      Optional[Any]   , _UpperCAmelCase     :      Optional[Any] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ."   , _UpperCAmelCase     :      Optional[Any] = 5     )      -> str:
  
  
  
  
  
  
  						'''simple docstring'''
  
  						_lowercase			,						_lowercase			,						_lowercase			,						_lowercase					:  Optional[int]    			=      __prepare(
  						    _UpperCAmelCase   , _UpperCAmelCase     )
  						_lowercase			,						_lowercase					:  List[str]    			=      "", ""
  
  						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 		UpperCamelCase    (					_UpperCAmelCase     :      Dict   , _UpperCAmelCase     :      Dict = "ABCDEFGHIJKLMNOPQRSTUVWXYZ."   , _UpperCAmelCase     :      Tuple = 5     )      -> str:
  
  
  
  
  
  
  						'''simple docstring'''
  
  						_lowercase			,						_lowercase			,						_lowercase			,						_lowercase					:  int    			=      __prepare(
  						    _UpperCAmelCase   , _UpperCAmelCase     )
  						_lowercase					:  Optional[int]    			=      []
  						_lowercase					:  List[Any]    			=      ""
  
  						for i in range(0   , len(_UpperCAmelCase     ) + 1   , _UpperCAmelCase     ):
  												_lowercase			,						_lowercase			,						_lowercase					:  Union[str, Any]    			=      __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__":
  							UpperCamelCase_	:    Dict  					=       """DEFEND THE EAST WALL OF THE CASTLE."""
  							UpperCamelCase_	:    Tuple  					=       encrypt_message(msg, """EPSDUCVWYM.ZLKXNBTFGORIJHAQ""")
  							UpperCamelCase_	:    List[Any]  					=       decrypt_message(encrypted, """EPSDUCVWYM.ZLKXNBTFGORIJHAQ""")
  							print(f'''Encrypted: {encrypted}\nDecrypted: {decrypted}''')
  
  
  
  
  
style_context: 
  from dataclasses import dataclass
  
  UpperCamelCase_	:    List[str]  					=       """0.1"""
  UpperCamelCase_	:    Optional[Any]  					=       """Lucia Harcekova"""
  
  
  
  
  @dataclass
  class      __lowercase	:
  	_A   			=      42
  	_A   			=      42
  	_A   			=      42
  
  
  
  
  
  
  	def __repr__(self							:   List[str]						)   -> str:
  							return F"""({self.offset}, {self.length}, {self.indicator})"""
  
  
  
  
  class      __lowercase	:
  
  
  
  
  
  
  	def __init__(self							:   Union[str, Any]			,  snake_case							:   int = 13			,  snake_case							:   int = 6						)   -> None:
  							_lowercase					:  int    			=      window_size
  							_lowercase					:  List[Any]    			=      lookahead_buffer_size
  							_lowercase					:  str    			=      self.window_size - self.lookahead_buffer_size
  
  
  
  
  
  
  	def 			_a(self							:   List[str]			,  snake_case							:   str						)   -> list[Token]:
  							_lowercase					:  List[Any]    			=      []
  							_lowercase					:  str    			=      ""
  
  							# while there are still characters in text to compress
  							while text:
  													# find the next encoding phrase
  													# - triplet with offset, length, indicator (the next encoding character)
  													_lowercase					:  Union[str, Any]    			=      self._find_encoding_token(snake_case			,  snake_case						)
  
  													# update the search buffer:
  													# - add new characters from text into it
  													# - check if size exceed the max search buffer size, if so, drop the
  													#   oldest elements
  													search_buffer += text[: token.length + 1]
  													if len(snake_case						) > self.search_buffer_size:
  																			_lowercase					:  Optional[int]    			=      search_buffer[-self.search_buffer_size :]
  
  													# update the text
  													_lowercase					:  str    			=      text[token.length + 1 :]
  
  													# append the token to output
  													output.append(snake_case						)
  
  							return output
  
  
  
  
  
  
  	def 			_a(self							:   Optional[Any]			,  snake_case							:   list[Token]						)   -> str:
  							_lowercase					:  Optional[int]    			=      ""
  
  							for token in tokens:
  													for _ in range(token.length						):
  																			output += output[-token.offset]
  													output += token.indicator
  
  							return output
  
  
  
  
  
  
  	def 			_a(self							:   Dict			,  snake_case							:   str			,  snake_case							:   str						)   -> Token:
  
  							if not text:
  													raise ValueError("We need some text to work with."						)
  
  							# Initialise result parameters to default values
  							_lowercase			,						_lowercase					:  Tuple    			=      0, 0
  
  							if not search_buffer:
  													return Token(snake_case			,  snake_case			,  text[length]						)
  
  							for i, character in enumerate(snake_case						):
  													_lowercase					:  Tuple    			=      len(snake_case						) - i
  													if character == text[0]:
  																			_lowercase					:  List[str]    			=      self._match_length_from_index(snake_case			,  snake_case			,  0			,  snake_case						)
  																			# if the found length is bigger than the current or if it's equal,
  																			# which means it's offset is smaller: update offset and length
  																			if found_length >= length:
  																									_lowercase			,						_lowercase					:  Optional[Any]    			=      found_offset, found_length
  
  							return Token(snake_case			,  snake_case			,  text[length]						)
  
  
  
  
  
  
  	def 			_a(self							:   Union[str, Any]			,  snake_case							:   str			,  snake_case							:   str			,  snake_case							:   int			,  snake_case							:   int						)   -> int:
  							if not text or text[text_index] != window[window_index]:
  													return 0
  							return 1 + self._match_length_from_index(
  							    snake_case			,  window + text[text_index]			,  text_index + 1			,  window_index + 1						)
  
  
  if __name__ == "__main__":
  							from doctest import testmod
  
  							testmod()
  							# Initialize compressor class
  							UpperCamelCase_	:    Optional[int]  					=       LZaaCompressor(window_size=13, lookahead_buffer_size=6)
  
  							# Example
  							UpperCamelCase_	:    Optional[int]  					=       """cabracadabrarrarrad"""
  							UpperCamelCase_	:    Tuple  					=       lzaa_compressor.compress(TEXT)
  							print(lzaa_compressor.compress("""ababcbababaa"""))
  							UpperCamelCase_	:    Union[str, Any]  					=       lzaa_compressor.decompress(compressed_text)
  							assert decompressed_text == TEXT, "The LZ77 algorithm returned the invalid result."
  
  
  
  
  