merge pandas on 2 columns code example
Example 1: 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'])
Example 2: merge two dataframes based on column
df_merge_col = pd.merge(df_row, df3, on='id')
df_merge_col