MAU

import pandas as pd
users_data = pd.read_csv('/datasets/users_data.csv')

users_data['session_start_ts'] = pd.to_datetime(users_data['session_start_ts'])
users_data['session_end_ts'] = pd.to_datetime(users_data['session_end_ts'])

users_data['session_year']  = users_data['session_start_ts'].dt.year
users_data['session_month'] = users_data['session_start_ts'].dt.month
users_data['session_week']  = users_data['session_start_ts'].dt.week
users_data['session_date'] = users_data['session_start_ts'].dt.date

mau_total = users_data.groupby(['session_year','session_month']).agg({'id': 'nunique'}).mean().astype('int64')
print(mau_total)