python inner join based on two columns

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Jerónimo
23 May 2017
1new_df = pd.merge(A_df, B_df,  how='left', left_on=['A_c1','c2'], right_on = ['B_c1','c2'])
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Kaina
19 Jan 2019
1df  = pd.merge(left=df1, right=df2, on=['var_1', 'var_2'], how='inner']
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