[英]Merge multiple columns together based on a common column value in pandas - python
我想根据一个共同的价值，即购买日期合并行。
我该怎么做呢 ？
你可以试试这个：
df = df.groupby(['DateOfPurchase'])['Item'].apply(','.join).reset_index()
print(df)
输出：
DateOfPurchase Item
0 19-Aug-2020 Apple,Eggs
1 20-Aug-2020 Banana
如何基于 python/pandas 中的一个公共列将多个 (6) 数据帧合并在一起？
[英]How to merge multiple (6) dataframes together based on one common column in python/pandas?
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