code: def consistent_shuffle(*lists):
      
      perm = list(range(len(lists[0])))
      random.shuffle(perm)
      lists = tuple([sublist[index] for index in perm]
                    for sublist in lists)
      return lists
docs: Shuffle lists consistently.
  
      Parameters
      ----------
      *lists
          Variable length number of lists
  
      Returns
      -------
      shuffled_lists : tuple of lists
          All of the lists are shuffled consistently
  
      Examples
      --------
      >>> import mpu, random; random.seed(8)
      >>> mpu.consistent_shuffle([1,2,3], ['a', 'b', 'c'], ['A', 'B', 'C'])
      ([3, 2, 1], ['c', 'b', 'a'], ['C', 'B', 'A'])