Answers for "merge column pandas"

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'])

joins in pandas

pd.merge(product,customer,how='inner',left_on=['Product_ID','Seller_City'],right_on=['Product_ID','City'])

merge two columns pandas

df["period"] = df["Year"] + df["quarter"]

how to merge two column pandas

DataFrame["new_column"] = DataFrame["column1"] + DataFrame["column2"]