code: def load_dataset_example(format, name, dataset_dir):
      dataset_dir = "{}/{}".format(dataset_dir, name)
      if format == "PyG":
          if name == "QM7b":
              dataset_raw = QM7b(dataset_dir)
              graphs = GraphDataset.pyg_to_graphs(dataset_raw)
              return graphs
  
label_desc: Use image node_id 1 for calling a global function with example usage: load_dataset_example(format, name, dataset_dir) and returns: graphs