pd merge on multiple columns
new_df = pd.merge(A_df, B_df, how='left', left_on=['A_c1','c2'], right_on = ['B_c1','c2'])pd merge on multiple columns
new_df = pd.merge(A_df, B_df, how='left', left_on=['A_c1','c2'], right_on = ['B_c1','c2'])merge two columns name in one header pandas
df['A'] = df[a_cols].apply(' '.join, axis=1)Copyright © 2021 Codeinu
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