input: from typing import List
  
  def shuffle_list(list: List) -> List:
      """ Shuffles a given list.
      >>> shuffle_list([1, 2, 3, 4, 5])
      [3, 2, 5, 1, 4]
      >>> shuffle_list(['a', 'b', 'c'])
      ['b', 'c', 'a']
      """
output:     import random
      random.shuffle(list)
      return list