city_frame = pd.DataFrame(cities,
columns=("name", "population"),
index=cities["country"])
print(city_frame.loc["Germany"])
name population
Germany Berlin 3562166
Germany Hamburg 1760433
Germany Munich 1493900
print(city_frame.loc[["Germany", "France"]])
name population
Germany Berlin 3562166
Germany Hamburg 1760433
Germany Munich 1493900
France Paris 2273305