摘要: 举例如下: import functoolsa = pd.DataFrame({'name':['mary','jack','susan'],'gender':['female','male','female']})b = pd.DataFrame({'name':['mary','jack','s 阅读全文
posted @ 2022-01-05 18:38 chliyiyu 阅读(246) 评论(0) 推荐(0) 编辑