input: Write a python function to shuffle a list.
  assert sorted(shuffle_list([1, 2, 3, 4, 5])) == [1, 2, 3, 4, 5]
  assert sorted(shuffle_list([10, 20, 30, 40, 50])) == [10, 20, 30, 40, 50]
  assert sorted(shuffle_list(['a', 'b', 'c', 'd', 'e'])) == ['a', 'b', 'c', 'd', 'e']
output: import random
  
  def shuffle_list(lst):
      random.shuffle(lst)
      return lst