input: 
  def move_zeroes(lst):
      """Move all zeroes in a list to the end of the list.
  
      >>> move_zeroes([3, 0, 1, 0, 5, 0, 2])
      [3, 1, 5, 2, 0, 0, 0]
      """
  
output:     non_zeroes = [x for x in lst if x != 0]
      zeroes = [0] * (len(lst) - len(non_zeroes))
      return non_zeroes + zeroes