code: def load_data(data):
      g = data[0]
      g.ndata["features"] = g.ndata.pop("feat")
      g.ndata["labels"] = g.ndata.pop("label")
      return g, data.num_classes
  
file_path: dgl/examples/pytorch/labor/load_graph.py
imports: import dgl
  import torch
label_desc: Use image node_id 1 for calling a global function with example usage: load_data(data) and returns: g,  data