






"""simple docstring"""


from typing import Literal

lowercase_    					=					'ABCDEFGHIJKLMNOPQRSTUVWXYZ'



def  lowerCAmelCase    (   __UpperCamelCase		,	__UpperCamelCase		,	__UpperCamelCase			):




  """simple docstring"""







  __A						      =			LETTERS if mode == '''decrypt''' else key
  __A						      =			key if mode == '''decrypt''' else LETTERS
  __A						      =			''''''
  # loop through each symbol in the message
  for symbol in message:
    if symbol.upper() in chars_a:
      # encrypt/decrypt the symbol
      __A						      =			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  lowerCAmelCase    (   __UpperCamelCase		,	__UpperCamelCase			):




  """simple docstring"""







  return translate_message(__UpperCamelCase		,	__UpperCamelCase		,	'''encrypt'''			)



def  lowerCAmelCase    (   __UpperCamelCase		,	__UpperCamelCase			):




  """simple docstring"""







  return translate_message(__UpperCamelCase		,	__UpperCamelCase		,	'''decrypt'''			)



def  lowerCAmelCase    (   ):




  """simple docstring"""







  __A						      =			'''Hello World'''
  __A						      =			'''QWERTYUIOPASDFGHJKLZXCVBNM'''
  __A						      =			'''decrypt'''  # set to 'encrypt' or 'decrypt'

  if mode == "encrypt":
    __A						      =			encrypt_message(__UpperCamelCase		,	__UpperCamelCase			)
  elif mode == "decrypt":
    __A						      =			decrypt_message(__UpperCamelCase		,	__UpperCamelCase			)
  print(f'Using the key {key}, the {mode}ed message is: {translated}'			)


if __name__ == "__main__":
       import doctest

       doctest.testmod()
       main()












"""simple docstring"""


def  lowerCAmelCase    (   __UpperCamelCase			):




  """simple docstring"""







  if not isinstance(__UpperCamelCase		,	__UpperCamelCase			):
    raise ValueError('''Input series is not valid, valid series - [2, 4, 8]'''			)
  if len(__UpperCamelCase			) == 0:
    raise ValueError('''Input list must be a non empty list'''			)
  if len(__UpperCamelCase			) == 1:
    return True
  try:
    __A						      =			series[1] / series[0]
    for index in range(len(__UpperCamelCase			) - 1			):
      if series[index + 1] / series[index] != common_ratio:
        return False
  except ZeroDivisionError:
    return False
  return True



def  lowerCAmelCase    (   __UpperCamelCase			):




  """simple docstring"""







  if not isinstance(__UpperCamelCase		,	__UpperCamelCase			):
    raise ValueError('''Input series is not valid, valid series - [2, 4, 8]'''			)
  if len(__UpperCamelCase			) == 0:
    raise ValueError('''Input list must be a non empty list'''			)
  __A						      =			1
  for value in series:
    answer *= value
  return pow(__UpperCamelCase		,	1 / len(__UpperCamelCase			)			)


if __name__ == "__main__":
       import doctest

       doctest.testmod()




