def calculate_sphere_volume_m3(radius_m: float) -> float: """ TODO: write the function purpose, parameters, and return value description here """ pi = 3.141592 volume = (4.0 / 3.0) * pi * (radius_m ** 3) return volume def calculate_diff_sphere_volume_m3(radius_m_s1: float, radius_m_s2: float) -> float: """ calculate_diff_spheres_volume_m3(radius_m_s1, radius_m_s2) calculates the difference in volume between two spheres (s1 and s2) using calculate_sphere_volume_m3(). S2 is assumed to be the larger sphere, so this function will basically return volume_m3_s2 - volume_m3_s1. :example: calc_diff_sphere_volume_m3(1.0, 2.0) -> 29.32 (roughly) TODO: add additional examples here :param radius_m_s1: The radius in meters of sphere 1 :param radius_m_s2: The radius in meters of sphere 2 :returns: The difference in volume (cubic meters) of sphere 2 minus sphere 1 """ pass # TODO: replace 'pass' with the correct calls to calculate_sphere_volume_m3()

def calculate_sphere_volume_m3(radius_m: float) -> float: """ TODO: write the function purpose, parameters, and return value description here """ pi = 3.141592 volume = (4.0 / 3.0) * pi * (radius_m ** 3) return volume def calculate_diff_sphere_volume_m3(radius_m_s1: float, radius_m_s2: float) -> float: """ calculate_diff_spheres_volume_m3(radius_m_s1, radius_m_s2) calculates the difference in volume between two spheres (s1 and s2) using calculate_sphere_volume_m3(). S2 is assumed to be the larger sphere, so this function will basically return volume_m3_s2 - volume_m3_s1. :example: calc_diff_sphere_volume_m3(1.0, 2.0) -> 29.32 (roughly) TODO: add additional examples here :param radius_m_s1: The radius in meters of sphere 1 :param radius_m_s2: The radius in meters of sphere 2 :returns: The difference in volume (cubic meters) of sphere 2 minus sphere 1 """ pass # TODO: replace 'pass' with the correct calls to calculate_sphere_volume_m3()