摘要: //导包import pandas as pd s1=pd.Series([1,2,3],index=[1,2,3],name='A') s2=pd.Series([10,20,30],index=[1,2,3],name='B') s3=pd.Series([100,200,300],index= 阅读全文
posted @ 2021-05-13 16:13 kannei 阅读(236) 评论(0) 推荐(0)