def save(self):
        """save the graph list and the labels"""
        save_graphs(str(self.graph_path), self.graphs)
        save_info(
            self.info_path,
            {
                "label": self.labels,
                "feature": self.feature,
                "train_mask": self.train_mask,
                "val_mask": self.val_mask,
                "test_mask": self.test_mask,
            },
        )
save the graph list and the labels
python/dgl/data/fakenews.py