import math
def calculateAreaOfSphere():
    radius = float(input("Radius of sphere: "))
    sphereArea = 4 * math.pi * (radius ** 2)
    print(sphereArea)
calculateAreaOfSphere()


import math
def calculateAreaOfSphere():
    radius = float(input("Radius of sphere: "))
    sphereArea = 4 * math.pi * (radius ** 2)
    print(sphereArea)
calculateAreaOfSphere()

