Lesson 35 — Data handling: what never goes into a model, and why
Unit VI · Security, law, profession

L35_aggregation_case.txt                     student     Five prompts from one week; worksheet to find the aggregation crossing point

Python 3.11 or newer. Standard library only. Run each program from the folder the lesson tells you to put it in:
    python <file>.py        (Windows)
    python3 <file>.py       (macOS and Linux)
