import pandas as pd
data = pd.read_csv ('/datasets/visits.csv', sep='\t')

total_visits = data.shape[0] #количество заездов на АЗС
print('Количество заездов: {}'.format(total_visits))
total_stations = len(data['id'].unique())
print('Количество АЗС:', total_stations)
print(data['date_time'].min(), data['date_time'].max())
total_days = 7
station_visits_per_day = total_visits / total_stations / total_days
print('Количество заездов на АЗС в сутки: ', station_visits_per_day)