input: 
  def multiply_by_two_print() -> None:
      """This function prints out every number from 0 to 10, but with every number being
      multiplied by 2.
      >>> multiply_by_two_print()
      0
      2
      4
      6
      8
      10
      12
      14
      16
      18
      20
      """
  
output:     for i in range(11):
          print(i * 2)