text: from ogb.nodeproppred import PygNodePropPredDataset
  from ogb.linkproppred import PygLinkPropPredDataset
  
  list_nodeproppred_datasets = [
      "ogbn-arxiv",
      "ogbn-proteins",
      "ogbn-products"
  ]
  
  list_linkproppred_datasets = [
      "ogbl-ddi",
      "ogbl-collab",
      "ogbl-wikikg2",
      "ogbl-ppa",
      "ogbl-citation2",
  ]
  
  droot = "../data/ogb/"
  
  for dataset_name in list_nodeproppred_datasets:
      dataset = PygNodePropPredDataset(name=dataset_name, root=droot)
  
  for dataset_name in list_linkproppred_datasets:
      dataset = PygLinkPropPredDataset(name=dataset_name, root=droot)
  