Lesson 2: Saying what it is before someone else does
19 min read·13 Oct 2026
Module 2 · Lesson 2 · About 45 minutes · Needs: Lesson 1 (the lookup prototype and its register of corners cut); basic Python
The situation
Wednesday 18 March 2026, late afternoon. Joan types HF-88301 into the prototype and the card appears: Atlas Office Furniture Ltd., 3 working days late, credit £42.00, her own note underneath. "That is the three windows gone," she says.
Carol Whitfield has stopped behind you on her way out. She watches for a minute. "Great. Roll it out to everyone on Monday."
What Carol saw was eight sample shipments on your laptop, with no login and no owner. What she believes she saw is a product. This lesson is about the next thirty seconds.