摘要: df = cache.GetCache_Student()result = df.loc[(df.sex=='M') & (df.LEAVE_DATE.isnull())] #性别为男且在校的学生result = df.loc[(df.sex=='M') & (~df.LEAVE_DATE.isnu 阅读全文
posted @ 2021-08-25 17:13 bigdog 阅读(1203) 评论(0) 推荐(0) 编辑