python dataframe left join

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Isabella
09 Jun 2018
1df.merge(df2, left_on = "doc_id", right_on = "doc_num", how = "left")
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Ana Sofia
02 Mar 2018
1import pandas as pd
2T1 = pd.merge(T1, T2, on=T1.index, how='outer')
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Elouan
22 Jan 2019
1>>> left.merge(right, on='user_id', how='left')
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