input: Write a function that prints out every number from 0 to 10, but with every number being multiplied by 2.
  assert print_numbers_times_two() starts with 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20
output: def print_numbers_times_two():
      for i in range(11):
          print(i * 2)