code: def save_images(images, filename):
      from PIL import Image
  
      row = int(math.sqrt(len(images)))
      col = row
      height = sum(image.shape[0] for image in images[0:row])
      width = sum(image.shape[1] for image in images[0:col])
      output = np.zeros((height, width, 3))
  
      for i in range(row):
          for j in range(col):
              image = images[i * row + j]
              h, w, d = image.shape
              output[i * h : i * h + h, j * w : j * w + w] = image
      output = (output * 255).clip(0, 255).astype("uint8")
      im = Image.fromarray(output)
      im.save(filename)
  
imports: from __future__ import print_function
  import argparse
  from mxnet.image import image
  from mxnet.gluon.data.vision import transforms, CIFAR10, ImageFolderDataset
  from mxnet.gluon.data import DataLoader
  from mxnet.gluon import Trainer, nn
  from mxnet.base import numeric_types
  from mxnet.initializer import *
  from mxnet import autograd
  import mxnet
  import mxnet.gluon
  import numpy
  import math
  import os
  from mxboard import SummaryWriter
  from lsun import LSUN
label_desc: Use image node_id 1 for calling a global function with example usage: save_images(images, filename) without return types