def 							__SCREAMING_SNAKE_CASE							(				lowerCAmelCase:  List[str] )   ->       List[Any]:






				if not isinstance(_snake_case  ,      _snake_case ):
								raise ValueError("Input must be an integer" )
				if input_num <= 0:
								raise ValueError("Input must be positive" )
				return sum(
				    divisor for divisor in range(1  ,      input_num // 2 + 1 ) if input_num % divisor == 0 )


if __name__ == "__main__":
					import doctest

					doctest.testmod()





def 							__SCREAMING_SNAKE_CASE							(				lowerCAmelCase:  str  ,      lowerCAmelCase:  str )   ->       int:
				if len(lowerCAmelCase ) != len(lowerCAmelCase ):
								raise ValueError("String lengths must match!" )

				_UpperCAmelCase       :		List[Any] 		=    0

				for chara, chara in zip(lowerCAmelCase  ,      lowerCAmelCase ):
								if chara != chara:
												count += 1

				return count


if __name__ == "__main__":
					import doctest

					doctest.testmod()


