def METHOD_NAME():
    return pd.DataFrame(
        {
            DEFAULT_USER_COL: np.random.choice(range(0, DATA_USER_NUM), DATA_SAMPLE_NUM),
            DEFAULT_ITEM_COL: np.random.choice(range(0, DATA_ITEM_NUM), DATA_SAMPLE_NUM),
            DEFAULT_RATING_COL: np.random.choice(range(1, DATA_RATING_MAX+1), DATA_SAMPLE_NUM)
        }
    )