

"""simple docstring"""




def       lowercase__						(       snake_case_   :float			,		snake_case_   :float    ):

	if density <= 0:
		raise ValueError('''Impossible fluid density'''    )
	if bulk_modulus <= 0:
		raise ValueError('''Impossible bulk modulus'''    )

	return (bulk_modulus / density) ** 0.5


if __name__ == "__main__":
				import doctest

				doctest.testmod()


def 							a		(				snake_case__:   int   ):


				'''simple docstring'''
				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()




