lab7.py

import math

def main():
  print("This program computes the volume and surface area of a sphere.")
  print()

  radius = int(input("Please enter the radius of the sphere: "))
  print()

  def sphereArea(radius):
    return 4 * math.pi * radius ** 2

  def sphereVolume(radius):
    return (4/3) * math.pi * radius ** 3

  print(f"The sphere volume is {sphereVolume(radius):.02f} cubic units.")
  print(f"The sphere surface area is {sphereArea(radius):.02f} square units.")

main()
l = list(filter(lambda x: x % 2 == 0, range(20)))

print(f"{l}")