Evaluate copilot and Claude code (fixing issues for QuantEcon)

[mmcky]

We wish to evaluate copilot that is built into GitHub and Claude code.

Project 1:

In lecture-python.myst and lecture-python-advanced.myst we will compare updating all subtitles and titles to match the QuantEcon style guide

Issue: QuantEcon/lecture-python.myst#512
copilot: QuantEcon/lecture-python.myst#513
Claude code: TBD

Issue: QuantEcon/lecture-python-advanced.myst#237
copilot: TBD
Claude code: QuantEcon/lecture-python-advanced.myst#240