摘要: import pandas as pd df=pd.DataFrame({ "name":["Tom","Jerry","Tony","June"], "age":[16,42,38,22], "province":["A","B","C","D"], "country":["Amerian","J 阅读全文
posted @ 2020-05-17 01:14 我的腹肌不见了 阅读(319) 评论(0) 推荐(0)