

def       A_				(   _UpperCAmelCase    ,     _UpperCAmelCase   ):
						SCREAMING_SNAKE_CASE_:			Union[str, Any]  		=	""
						for word_or_phrase in separated:
												if not isinstance(SCREAMING_SNAKE_CASE__    ,     SCREAMING_SNAKE_CASE__   ):
																		raise Exception("join() accepts only strings to be joined"   )
												joined += word_or_phrase + separator
						return joined.strip(SCREAMING_SNAKE_CASE__   )


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

						testmod()









def       A_				(   _UpperCAmelCase    ,     _UpperCAmelCase   ):

						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()






