Answers for "pandas concat vs append"

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how to concat on the basis of particular columns in pandas

In [6]: result = pd.concat(frames, keys=['x', 'y', 'z'])
Posted by: Guest on December-01-2020
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how to merge two pandas dataframes on a column

import pandas as pd
T1 = pd.merge(T1, T2, on=T1.index, how='outer')
Posted by: Guest on June-19-2020

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