

from typing import Literal

_UpperCamelCase			      =		"ABCDEFGHIJKLMNOPQRSTUVWXYZ"







def 		_lowercase			(					lowercase__       ,     lowercase__       ,     lowercase__						):
      __lowerCAmelCase :						Optional[int] = LETTERS if mode == '''decrypt''' else key
      __lowerCAmelCase :						Optional[Any] = key if mode == '''decrypt''' else LETTERS
      __lowerCAmelCase :						List[Any] = ''''''
      # loop through each symbol in the message
      for symbol in message:
            if symbol.upper() in chars_a:
                  # encrypt/decrypt the symbol
                  __lowerCAmelCase :						Dict = chars_a.find(symbol.upper()						)
                  if symbol.isupper():
                        translated += chars_b[sym_index].upper()
                  else:
                        translated += chars_b[sym_index].lower()
            else:
                  # symbol is not in LETTERS, just add it
                  translated += symbol
      return translated







def 		_lowercase			(					lowercase__       ,     lowercase__						):
      return translate_message(lowercase__       ,     lowercase__       ,     '''encrypt'''						)







def 		_lowercase			(					lowercase__       ,     lowercase__						):
      return translate_message(lowercase__       ,     lowercase__       ,     '''decrypt'''						)







def 		_lowercase			(					):
      __lowerCAmelCase :						List[Any] = '''Hello World'''
      __lowerCAmelCase :						Optional[Any] = '''QWERTYUIOPASDFGHJKLZXCVBNM'''
      __lowerCAmelCase :						Optional[Any] = '''decrypt'''  # set to 'encrypt' or 'decrypt'

      if mode == "encrypt":
            __lowerCAmelCase :						Optional[Any] = encrypt_message(lowercase__       ,     lowercase__						)
      elif mode == "decrypt":
            __lowerCAmelCase :						Optional[int] = decrypt_message(lowercase__       ,     lowercase__						)
      print(f"""Using the key {key}, the {mode}ed message is: {translated}"""						)


if __name__ == "__main__":
 import doctest

 doctest.testmod()
 main()





from dataclasses import dataclass

_UpperCamelCase			      =		"0.1"
_UpperCamelCase			      =		"Lucia Harcekova"







@dataclass
class   __lowercase				:
 _UpperCamelCase        =  42
 _UpperCamelCase        =  42
 _UpperCamelCase        =  42
 def __repr__(							self ) ->str:



       '''simple docstring'''





       return f"""({self.offset}, {self.length}, {self.indicator})"""







class   __lowercase				:
 def __init__(							self				,							A_ = 13				,							A_ = 6 ) ->None:



       '''simple docstring'''





       __lowerCAmelCase :						List[str] = window_size
       __lowerCAmelCase :						str = lookahead_buffer_size
       __lowerCAmelCase :						Dict = self.window_size - self.lookahead_buffer_size
 def      UpperCamelCase__  (							self				,							A_ ) ->list[Token]:



       '''simple docstring'''





       __lowerCAmelCase :						int = []
       __lowerCAmelCase :						Any = ''''''

       # 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)
             __lowerCAmelCase :						Optional[int] = self._find_encoding_token(A_				,							A_ )

             # 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(A_ ) > self.search_buffer_size:
                   __lowerCAmelCase :						Dict = search_buffer[-self.search_buffer_size :]

             # update the text
             __lowerCAmelCase :						List[Any] = text[token.length + 1 :]

             # append the token to output
             output.append(A_ )

       return output
 def      UpperCamelCase__  (							self				,							A_ ) ->str:



       '''simple docstring'''





       __lowerCAmelCase :						Optional[int] = ''''''

       for token in tokens:
             for _ in range(token.length ):
                   output += output[-token.offset]
             output += token.indicator

       return output
 def      UpperCamelCase__  (							self				,							A_				,							A_ ) ->Token:



       '''simple docstring'''





       if not text:
             raise ValueError('''We need some text to work with.''' )

       # Initialise result parameters to default values
       __lowerCAmelCase,							__lowerCAmelCase :						Union[str, Any] = 0, 0

       if not search_buffer:
             return Token(A_				,							A_				,							text[length] )

       for i, character in enumerate(A_ ):
             __lowerCAmelCase :						Dict = len(A_ ) - i
             if character == text[0]:
                   __lowerCAmelCase :						Dict = self._match_length_from_index(A_				,							A_				,							0				,							A_ )
                   # 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:
                         __lowerCAmelCase,							__lowerCAmelCase :						int = found_offset, found_length

       return Token(A_				,							A_				,							text[length] )





 def      UpperCamelCase__  (							self				,							A_				,							A_				,							A_				,							A_ ) ->int:



       '''simple docstring'''





       if not text or text[text_index] != window[window_index]:
             return 0
       return 1 + self._match_length_from_index(
           A_				,							window + text[text_index]				,							text_index + 1				,							window_index + 1 )


if __name__ == "__main__":
 from doctest import testmod

 testmod()
 # Initialize compressor class
 _UpperCamelCase			      =		LZaaCompressor(window_size=13, lookahead_buffer_size=6)

 # Example
 _UpperCamelCase			      =		"cabracadabrarrarrad"
 _UpperCamelCase			      =		lzaa_compressor.compress(TEXT)
 print(lzaa_compressor.compress("ababcbababaa"))
 _UpperCamelCase			      =		lzaa_compressor.decompress(compressed_text)
 assert decompressed_text == TEXT, "The LZ77 algorithm returned the invalid result."


