




def  SCREAMING_SNAKE_CASE     (	__UpperCamelCase      :						Optional[int]	,					__UpperCamelCase      :						List[Any]				)  ->							str:
    UpperCAmelCase_										=					''
    for word_or_phrase in separated:
        if not isinstance(lowerCAmelCase_	,					lowerCAmelCase_				):
            raise Exception('''join() accepts only strings to be joined'''				)
        joined += word_or_phrase + separator
    return joined.strip(lowerCAmelCase_				)


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

       testmod()











def  SCREAMING_SNAKE_CASE     (	__UpperCamelCase      :						float	,					__UpperCamelCase      :						float				)  ->							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()





