pandas left join
df.merge(df2, left_on = "doc_id", right_on = "doc_num", how = "left")pandas left join
df.merge(df2, left_on = "doc_id", right_on = "doc_num", how = "left")how to concat on the basis of particular columns in pandas
In [6]: result = pd.concat(frames, keys=['x', 'y', 'z'])Copyright © 2021 Codeinu
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