from datasets import load_dataset def main(): raw_dset = load_dataset("ag_news") labels = raw_dset["train"].features["label"] for split, dset in raw_dset.items(): dset = dset.map(lambda x: {"label_text": labels.int2str(x["label"])}, num_proc=4) dset.to_json(f"{split}.jsonl") if __name__ == "__main__": main()