input: 
  def multiply_and_print(a: int, b: int) -> None:
      """
      Multiplies two input numbers and prints the result.
      >>> multiply_and_print(3, 4)
      12
      >>> multiply_and_print(5, 5)
      25
      >>> multiply_and_print(0, 10)
      0
      """
      result = a * b
      print(result)
  
output:     result = a * b
      print(result)