




'''simple docstring'''



from __future__ import annotations



def       UpperCAmelCase__ (     UpperCAmelCase_   :    list[list[int]]				,   UpperCAmelCase_   :    list[list[int]]							)					->		list[int]:
     assert len(UpperCAmelCase_							) == len(UpperCAmelCase_							)

     __lowerCamelCase       :     Optional[int]        =		len(UpperCAmelCase_							)
     __lowerCamelCase       :     Union[str, Any]        =		list(range(UpperCAmelCase_							)							)
     __lowerCamelCase       :     Tuple        =		[-1] * n  # who the donor has donated to
     __lowerCamelCase       :     Any        =		[-1] * n  # who the recipient has received from
     __lowerCamelCase       :     Optional[int]        =		[0] * n

     while unmatched_donors:
          __lowerCamelCase       :     Optional[int]        =		unmatched_donors[0]
          __lowerCamelCase       :     Any        =		donor_pref[donor]
          __lowerCamelCase       :     List[str]        =		donor_preference[num_donations[donor]]
          num_donations[donor] += 1
          __lowerCamelCase       :     List[Any]        =		recipient_pref[recipient]
          __lowerCamelCase       :     str        =		rec_record[recipient]

          if prev_donor != -1:
               if rec_preference.index(UpperCAmelCase_							) > rec_preference.index(UpperCAmelCase_							):
                    __lowerCamelCase       :     List[str]        =		donor
                    __lowerCamelCase       :     List[str]        =		recipient
                    unmatched_donors.append(UpperCAmelCase_							)
                    unmatched_donors.remove(UpperCAmelCase_							)
          else:
               __lowerCamelCase       :     str        =		donor
               __lowerCamelCase       :     int        =		recipient
               unmatched_donors.remove(UpperCAmelCase_							)
     return donor_record










'''simple docstring'''



from typing import Literal

A__		: Tuple												=  """ABCDEFGHIJKLMNOPQRSTUVWXYZ"""



def       UpperCAmelCase__ (     UpperCAmelCase_   :    str				,   UpperCAmelCase_   :    str				,   UpperCAmelCase_   :    Literal["encrypt", "decrypt"]							)					->		str:
     __lowerCamelCase       :     Dict        =		LETTERS if mode == 'decrypt' else key
     __lowerCamelCase       :     Tuple        =		key if mode == 'decrypt' else LETTERS
     __lowerCamelCase       :     Optional[int]        =		''
     # loop through each symbol in the message
     for symbol in message:
          if symbol.upper() in chars_a:
               # encrypt/decrypt the symbol
               __lowerCamelCase       :     Optional[int]        =		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       UpperCAmelCase__ (     UpperCAmelCase_   :    str				,   UpperCAmelCase_   :    str							)					->		str:
     return translate_message(UpperCAmelCase_				,   UpperCAmelCase_				,   'encrypt'							)



def       UpperCAmelCase__ (     UpperCAmelCase_   :    str				,   UpperCAmelCase_   :    str							)					->		str:
     return translate_message(UpperCAmelCase_				,   UpperCAmelCase_				,   'decrypt'							)



def       UpperCAmelCase__ (     )					->		None:
     __lowerCamelCase       :     Dict        =		'Hello World'
     __lowerCamelCase       :     str        =		'QWERTYUIOPASDFGHJKLZXCVBNM'
     __lowerCamelCase       :     Any        =		'decrypt'  # set to 'encrypt' or 'decrypt'

     if mode == "encrypt":
          __lowerCamelCase       :     Optional[int]        =		encrypt_message(UpperCAmelCase_				,   UpperCAmelCase_							)
     elif mode == "decrypt":
          __lowerCamelCase       :     List[str]        =		decrypt_message(UpperCAmelCase_				,   UpperCAmelCase_							)
     print(F'Using the key {key}, the {mode}ed message is: {translated}'							)


if __name__ == "__main__":
      import doctest

      doctest.testmod()
      main()






