Answers for "join and get the value in dataframe"

python: left join

new_df = df_1.merge(df_2, on='id', how='left', indicator=True)

Posted by: Guest on June-22-2020

pandas left join

df.merge(df2, left_on = "doc_id", right_on = "doc_num", how = "left")

Posted by: Guest on November-26-2020

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