Joining DataFrames Exercise Answer Key
Answer Key
american_listings = pd.read_csv('american_listings.csv')
non_american_listings = pd.read_csv('non_american_listings.csv')
listings_subset_a = pd.read_csv('subsetA.csv')
listings_subset_b = pd.read_csv('subsetB.csv')
listings_subset_a.merge(listings_subset_b, on='vin')
american_listings.merge(non_american_listings, on='vin', how='outer', suffixes=(['_american', '_non_american']))
listings_subset_a.merge(listings_subset_b, on='vin', how='left', indicator=True)