摘要: pandas中groupby()的参数as_index import pandas as pd df = pd.DataFrame(data={'books':['b1','b1','b1','b2','b2','b3'], 'price': [12,12,12,15,15,17],'num':[2 阅读全文
posted @ 2022-10-19 20:56 不落微笑 阅读(359) 评论(0) 推荐(0)