pandas groupby stackoverflow
res = {}
for a, group_by_A in df.groupby('A'):
group_by_B = group_by_A.groupby('B', as_index = False)
res[a] = group_by_B['C'].sum()pandas groupby stackoverflow
res = {}
for a, group_by_A in df.groupby('A'):
group_by_B = group_by_A.groupby('B', as_index = False)
res[a] = group_by_B['C'].sum()Copyright © 2021 Codeinu
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