



'''simple docstring'''





def 		_a   (  lowerCamelCase_					,						lowerCamelCase_ = 13							):
   snake_case   :							Dict						  =''''''
   for c in s:
      if "A" <= c <= "Z":
         out += chr(ord('''A'''							) + (ord(lowerCamelCase_							) - ord('''A'''							) + n) % 26							)
      elif "a" <= c <= "z":
         out += chr(ord('''a'''							) + (ord(lowerCamelCase_							) - ord('''a'''							) + n) % 26							)
      else:
         out += c
   return out
def 		_a   (  ):
   snake_case   :							Optional[int]						  =input('''Enter message: '''							)

   snake_case   :							Union[str, Any]						  =dencrypt(lowerCamelCase_					,						13							)
   print('''Encryption:'''					,						lowerCamelCase_							)

   snake_case   :							Union[str, Any]						  =dencrypt(lowerCamelCase_					,						13							)
   print('''Decryption: '''					,						lowerCamelCase_							)


if __name__ == "__main__":
      import doctest

      doctest.testmod()
      main()










'''simple docstring'''





def 		_a   (  lowerCamelCase_							):
   return "".join(chr(ord(lowerCamelCase_							) + 32							) if '''A''' <= char <= '''Z''' else char for char in word							)


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

      testmod()





