code: def save_gragh(output_img, path):
      """
      save image from array that original or adversarial
      Args:
           img_example: array data of img
           path: directory and filename
      """
      im = Image.fromarray(output_img)
      im.save(path, "png")
  
file_path: AdvBox/example/utility.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import distutils.util
  import numpy
  from PIL import Image
  import os
  from paddle.fluid import core
label_desc: Use image node_id 5 for calling a global function with example usage: save_gragh(output_img, path) without return types