input: Write a function that prints out every number from 0 to 10, with each number being multiplied by 2. The function should take no input and output the result directly.
  
  def multiply_and_print():
      for i in range(11):
          print(i*2)
  
  assert multiply_and_print() == None
output: def multiply_and_print():
      for i in range(11):
          print(i*2)