I want to zip column B based on common Column A values. Please suggest a way to do so on scale in large pandas dataframe.
df
A B
0 P
0 Q
1 R
1 S
2 T
Expected Result
A B
0 [P,Q]
1 [R,S]
2 [T]
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Hari_pb
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Does this answer your question : https://stackoverflow.com/questions/22219004/how-to-group-dataframe-rows-into-list-in-pandas-groupby ? – anky Aug 06 '21 at 18:33
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1@anky thank you ! Solved my issue – Hari_pb Aug 06 '21 at 18:34