Using python. Thanks

Q2 - Write definitions for these functions: sphereArea(radius) returns the surface area of a sphere having the given radius. sphere Volume (radius). Returns the volume of a sphere having the given radius.

from math import pi

def sphere_area(r):

"""Area of a sphere with radius r."""

*** YOUR CODE HERE ***

def sphere_volume(r):

"""Volume of a sphere with radius r."""

*** YOUR CODE HERE ***