Seed ml translation: python_by_example (calibration batch)

Translated by claude-sonnet-5 via action-translation@main (register rules + glossary v0.2.0 from the reviewer packet). Source: QuantEcon/lecture-python-programming@5816589. Deterministic gates at translation time: 0 transliterations, 0 native software verbs, headings byte-identical. Part of Phase 2 of QuantEcon/action-translation#189.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

Author: mmcky