code: def show_images(batch_size, image_batch):
      import matplotlib.gridspec as gridspec
      import matplotlib.pyplot as plt
  
      columns = 4
      rows = (batch_size + 1) // (columns)
      gs = gridspec.GridSpec(rows, columns)
      for j in range(rows * columns):
          plt.subplot(gs[j])
          plt.axis("off")
          plt.imshow(image_batch.at(j))
      plt.show()
  
file_path: DALI/dali/test/python/operator_1/test_multipaste.py
imports: from nvidia.dali.pipeline import Pipeline
  import nvidia.dali.fn
  import nvidia.dali.types
  import numpy
  import os
  from test_utils import get_dali_extra_path
label_desc: Use image node_id 6 for calling a global function with example usage: show_images(batch_size, image_batch) without return types