code: def pytorch_hello_world(
      dataset_url="file:///tmp/hello_world_dataset",
  ):
      with DataLoader(make_reader(dataset_url)) as train_loader:
          sample = next(iter(train_loader))
          print(sample["id"])
  
label_desc: Use image node_id 1 for calling a global function with example usage: pytorch_hello_world(dataset_url) without return types