请问这种使用 DataFrame 该如何实现？
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 | 1 lookStupiToForce Dec 5, 2022  1 two methods: 1. multi level index intuitive but not recommended https://pandas.pydata.org/docs/user_guide/advanced.html 2. duplicate values in first two columns to match third columns row count |
 | 2 Alias4ck Dec 6, 2022 1  不知道是不是你想要的 其实楼上也给出方案了 |
 | 3 wliansheng OP |
 | 4 craiiz Dec 8, 2022 这个比较像透视表吧？直接 pd.pivot_table(df, index=["用户", "联系方式等信息"]) 应该就行了 |
| 5 wliansheng OP @craiiz 感谢帮助，我去试试 |
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