Expected transformation: input keys: date, steps, sleep_minutes, medication, note purpose: activity_summary output keys: date, steps The learning question is not “how do I analyze health data? ” It is “how can a program prove that one purpose receives fewer fields than the original record? ”...
Source: [Dev.to](https://dev.to/magickong/learn-data-minimization-with-a-tiny-python-health-record-filter-9de)