input: Write a function to shuffle a given list. The function should use the random module to shuffle the elements of the list in-place and return the shuffled list. 
  def shuffle_list(lst):
      random.seed()
      random.shuffle(lst)
      return lst
  assert shuffle_list([1, 2, 3, 4, 5]) != [1, 2, 3, 4, 5]
  assert len(shuffle_list([1, 2, 3, 4, 5])) == 5
  assert isinstance(shuffle_list([1, 2, 3, 4, 5]), list)
  assert shuffle_list([]) == []
output: def shuffle_list(lst):
      random.seed()
      random.shuffle(lst)
      return lst