input: Write a python function to shuffle a list using the random module.
  assert shuffle_list([1,2,3,4,5])!=[1,2,3,4,5]
  assert set(shuffle_list([10,20,30,40,50]))=={10,20,30,40,50}
  assert set(shuffle_list([5,7,9,11,13]))=={5,7,9,11,13}
output: import random
  
  def shuffle_list(lst):
      random.shuffle(lst)
      return lst