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The problem that the column becomes indexed after pd groupby and the aggregation column has no column name
2022-08-01 14:03:00 【Learn to program at a young age】
See the original blog above
It's not working
The actual modification is as follows
df.groupby(['column1'])['column2'].sum()#No column namedf.groupby('column1',as_index=False).agg({'column2:'sum'})#This is there
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