2023年8月4日
pandas之groupby
摘要： # 数据准备 ```python import pandas as pd product_info = { "产品": ["李子", "桃子", "香蕉", "饺子", "馒头", "包子", "猪肉", "牛肉"], "分类": ["水果", "水果", "水果", "生鲜", "生鲜", &qu 阅读全文
posted @ 2023-08-04 16:04 cnblogs用户 阅读(8) 评论(0) 推荐(0) 编辑