
"""simple docstring"""


from maths.prime_check import is_prime






def    _snake_case					(		snake_case__ :  int  ):
	if not isinstance(snake_case__						,   snake_case__  ):
		A     = F'Input value of [number={number}] must be an integer'
		raise TypeError(snake_case__  )
	if is_prime(snake_case__  ) and is_prime(number + 2  ):
		return number + 2
	else:
		return -1


if __name__ == "__main__":
		import doctest

		doctest.testmod()




def 	SCREAMING_SNAKE_CASE_							(	_snake_case	:bytes				)  ->     str:
   return "".join([hex(_snake_case				)[2:].zfill(2				).upper() for byte in list(_snake_case				)]				)

def 	SCREAMING_SNAKE_CASE_							(	_snake_case	:str				)  ->     bytes:
   # Check data validity, following RFC3548
   # https://www.ietf.org/rfc/rfc3548.txt
   if (len(_snake_case				) % 2) != 0:
      raise ValueError(
          '''Base16 encoded data is invalid:
Data does not have an even number of hex digits.'''				)
   # Check the character set - the standard base16 alphabet
   # is uppercase according to RFC3548 section 6
   if not set(_snake_case				) <= set('''0123456789ABCDEF'''				):
      raise ValueError(
          '''Base16 encoded data is invalid:
Data is not uppercase hex or it contains invalid characters.'''				)
   # For every two hexadecimal digits (= a byte), turn it into an integer.
   # Then, string the result together into bytes, and return it.
   return bytes(int(data[i] + data[i + 1]	,   16				) for i in range(0	,   len(_snake_case				)	,   2				)				)


if __name__ == "__main__":
   import doctest

   doctest.testmod()



