




UpperCAmelCase_									=	'ABCDEFGHIJKLMNOPQRSTUVWXYZ'




def 					lowerCamelCase__       (						):





       '''simple docstring'''



       __lowerCamelCase   =						input("""Enter message: """	)
       __lowerCamelCase   =						input("""Enter key [alphanumeric]: """	)
       __lowerCamelCase   =						input("""Encrypt/Decrypt [e/d]: """	)

       if mode.lower().startswith("""e"""	):
              __lowerCamelCase   =						"""encrypt"""
              __lowerCamelCase   =						encrypt_message(A__  ,			A__	)
       elif mode.lower().startswith("""d"""	):
              __lowerCamelCase   =						"""decrypt"""
              __lowerCamelCase   =						decrypt_message(A__  ,			A__	)

       print(f'\n{mode.title()}ed message:'	)
       print(A__	)




def 					lowerCamelCase__       (						A__       :					str  ,			A__       :					str	):





       '''simple docstring'''



       return translate_message(A__  ,			A__  ,			"""encrypt"""	)




def 					lowerCamelCase__       (						A__       :					str  ,			A__       :					str	):





       '''simple docstring'''



       return translate_message(A__  ,			A__  ,			"""decrypt"""	)




def 					lowerCamelCase__       (						A__       :					str  ,			A__       :					str  ,			A__       :					str	):





       '''simple docstring'''



       __lowerCamelCase   =						[]
       __lowerCamelCase   =						0
       __lowerCamelCase   =						key.upper()

       for symbol in message:
              __lowerCamelCase   =						LETTERS.find(symbol.upper()	)
              if num != -1:
                     if mode == "encrypt":
                            num += LETTERS.find(key[key_index]	)
                     elif mode == "decrypt":
                            num -= LETTERS.find(key[key_index]	)

                     num %= len(A__	)

                     if symbol.isupper():
                            translated.append(LETTERS[num]	)
                     elif symbol.islower():
                            translated.append(LETTERS[num].lower()	)

                     key_index += 1
                     if key_index == len(A__	):
                            __lowerCamelCase   =						0
              else:
                     translated.append(A__	)
       return "".join(A__	)


if __name__ == "__main__":
       main()



"""simple docstring"""





from collections import namedtuple

_a		       =							namedtuple('from_to', 'from_ to')

_a		       =							{
    'cubicmeter': from_to(1, 1),
    'litre': from_to(0.001, 1_000),
    'kilolitre': from_to(1, 1),
    'gallon': from_to(0.0_0454, 264.172),
    'cubicyard': from_to(0.7_6455, 1.3_0795),
    'cubicfoot': from_to(0.028, 35.3147),
    'cup': from_to(0.0_0023_6588, 4226.75),
}







def 	__a     (		__lowerCamelCase,		__lowerCamelCase,		__lowerCamelCase  ):
   if from_type not in METRIC_CONVERSION:
      raise ValueError(
          f"""Invalid 'from_type' value: {from_type!r}  Supported values are:\n"""
          + ", ".join(__lowerCamelCase  )  )
   if to_type not in METRIC_CONVERSION:
      raise ValueError(
          f"""Invalid 'to_type' value: {to_type!r}.  Supported values are:\n"""
          + ", ".join(__lowerCamelCase  )  )
   return value * METRIC_CONVERSION[from_type].from_ * METRIC_CONVERSION[to_type].to


if __name__ == "__main__":
    import doctest

    doctest.testmod()


