Element kk[10]: 15
Whole dictionary: {10: 15, 20: 5}
Our log book:

2023-10-23 (13:05:29.321025) MonitoredDict created
2023-10-23 (13:05:29.321062) value for key [10] set
2023-10-23 (13:05:29.321078) value for key [20] set
2023-10-23 (13:05:29.321092) value for key [10] retrieved