code: def set_iters(args, dataset_size):
      if args.iters is None:
          args.iters = int(
              ceil(dataset_size / (args.batch_size * args.num_gpus))
          )
  
imports: import argparse
  import os
  from math import ceil, sqrt
  import numpy
  import nvidia.dali.ops
  import nvidia.dali.types
  from nvidia.dali.pipeline import Pipeline
  from test_utils import get_dali_extra_path
  from test_utils import to_array
label_desc: Use image node_id 6 for calling a global function with example usage: set_iters(args, dataset_size) without return types