python: left join
new_df = df_1.merge(df_2, on='id', how='left', indicator=True)python: left join
new_df = df_1.merge(df_2, on='id', how='left', indicator=True)join on column pandas
# df1 as main df and use the feild from df2 and map it into df1
df1.merge(df2,on='columnName',how='left')Copyright © 2021 Codeinu
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