- # Подсчёт прослушиваний в каждом городе
- df_Moscow = df[df['city'] == 'Moscow']
- df_SaintPetersburg = df[df['city'] == 'Saint-Petersburg']
- track_Moscow = df_Moscow.groupby('city')['track'].count()
- track_SaintPetersburg = df_SaintPetersburg.groupby('city')['track'].count()
- print(track_Moscow)
- print(track_SaintPetersburg)