code: def get_guided_grad_cam(cam, imggrad):
      """Compute Guided Grad-CAM. Refer section 3 of https://arxiv.org/abs/1610.02391 for details"""
      return onp.multiply(cam, imggrad)
  
imports: from __future__ import print_function
  import mxnet
  from mxnet import gluon, np, npx
  from mxnet import autograd
  from mxnet.gluon import nn
  import numpy
  import cv2
label_desc: Use image node_id 8 for calling a global function with example usage: get_guided_grad_cam(cam, imggrad) and returns: onp