python groupby sum single columns
df.groupby(['A','C'], as_index=False)['B'].sum()python groupby sum single columns
df.groupby(['A','C'], as_index=False)['B'].sum()dataframe, groupby, select one
df.sort_values('date').groupby(['id', 'period', 'type']).first()Copyright © 2021 Codeinu
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