def METHOD_NAME():
    parser = argparse.ArgumentParser(description="Preprocess data to train and validation files in jsonl format")
    parser.add_argument("--training_file", type=str, required=True, help="Path to training set")
    parser.add_argument("--validation_file", type=str, help="Path to validation set, if given, append to training data")
    parser.add_argument("--validation_ratio", type=float, default=0.1, help="Ratio of validation set, defult to 10%")
    parser.add_argument("--testing_ratio", type=float, default=0.1, help="Ratio of testing set, defult to 10%")
    parser.add_argument("--output_dir", type=str, required=True, help="Path to output folder")
    args = parser.parse_args()
    return args