code: def in_place_shuffle(arr):
      import random
  
      len_of_arr = len(arr)
      for i in xrange(0, len_of_arr):
          # randomly select index:
          chosen_index = random.randint(i, len_of_arr - 1)
          # swap
          val_at_index = arr[chosen_index]
          arr[chosen_index] = arr[i]
          arr[i] = val_at_index
      return arr
  
imports: from __future__ import division
  from __future__ import print_function
  from __future__ import absolute_import
  import sys
  import os
  import os.path
  import numpy
  from collections import namedtuple
  from collections import OrderedDict
  import json
  import deeplift
  import tensorflow
label_desc: Use image node_id 19 for calling a global function with example usage: in_place_shuffle(arr) and returns: arr