如下所示: # create a dataframe with an integer feature and a categorical string feature demo_df = pd.DataFrame({'Integer Feature': [0, 1, 2, 1], 'Categorical Feature': ['socks', 'fox', 'socks', 'box']}) demo_df 接下来用for遍历: for indexs in demo_df.index: for i in range(len(demo_df.loc[indexs].values)):