input: 
  import random
  
  def shuffle_list(input_list):
      """Shuffle the given list and return the shuffled list.
      >>> shuffle_list([1, 2, 3, 4, 5])
      [3, 1, 5, 4, 2]
      >>> shuffle_list(['a', 'b', 'c', 'd'])
      ['d', 'a', 'c', 'b']
      """
  
      # Initialize the random number generator
      random.seed()
  
      # Shuffle the list
      random.shuffle(input_list)
  
      # Return the list
      return input_list
  
output:     # Initialize the random number generator
      random.seed()
  
      # Shuffle the list
      random.shuffle(input_list)
  
      # Return the list
      return input_list