





'''simple docstring'''




from string import ascii_uppercase

_SCREAMING_SNAKE_CASE							     =			{char: i for i, char in enumerate(ascii_uppercase)}
_SCREAMING_SNAKE_CASE							     =			dict(enumerate(ascii_uppercase))





def 	__lowerCamelCase			(      __lowerCAmelCase       :							str      ,    __lowerCAmelCase       :							str		)		->  str:
   snake_case 						=   len(__lowerCAmelCase		)
   snake_case 						=   0
   while True:
      if x == i:
         snake_case 						=   0
      if len(__lowerCAmelCase		) == len(__lowerCAmelCase		):
         break
      key += key[i]
      i += 1
   return key





def 	__lowerCamelCase			(      __lowerCAmelCase       :							str      ,    __lowerCAmelCase       :							str		)		->  str:
   snake_case 						=   """"""
   snake_case 						=   0
   for letter in message:
      if letter == " ":
         cipher_text += " "
      else:
         snake_case 						=   (dicta[letter] - dicta[key_new[i]]) % 26
         i += 1
         cipher_text += dicta[x]
   return cipher_text





def 	__lowerCamelCase			(      __lowerCAmelCase       :							str      ,    __lowerCAmelCase       :							str		)		->  str:
   snake_case 						=   """"""
   snake_case 						=   0
   for letter in cipher_text:
      if letter == " ":
         or_txt += " "
      else:
         snake_case 						=   (dicta[letter] + dicta[key_new[i]] + 26) % 26
         i += 1
         or_txt += dicta[x]
   return or_txt





def 	__lowerCamelCase			(      )		->  None:
   snake_case 						=   """THE GERMAN ATTACK"""
   snake_case 						=   """SECRET"""
   snake_case 						=   generate_key(__lowerCAmelCase      ,    __lowerCAmelCase		)
   snake_case 						=   cipher_text(__lowerCAmelCase      ,    __lowerCAmelCase		)
   print(F'''Encrypted Text = {s}'''		)
   print(F'''Original Text = {original_text(__lowerCAmelCase      ,    __lowerCAmelCase		)}'''		)


if __name__ == "__main__":
 import doctest

 doctest.testmod()
 main()








'''simple docstring'''




def 	__lowerCamelCase			(      __lowerCAmelCase       :							int		)		->  int:
   assert isinstance(__lowerCAmelCase      ,    __lowerCAmelCase		), F'''The input value of [n={number}] is not an integer'''

   if number == 1:
      return 2
   elif number < 1:
      snake_case 						=   F'''The input value of [n={number}] has to be > 0'''
      raise ValueError(__lowerCAmelCase		)
   else:
      snake_case 						=   sylvester(number - 1		)
      snake_case 						=   num - 1
      snake_case 						=   num
      return lower * upper + 1


if __name__ == "__main__":
 print(F"""The 8th number in Sylvester's sequence: {sylvester(8)}""")

