Improve doc-strings, add comments #5240

Job	Run time
Dependency	8s
Shellcheck	6s
Prepare	1m 4s
Ruff check and force	14s
Check commit	47s
Create pytest cache for Python 3.13.0	14s
Create pytest cache for Python 3.12	5s
Run pytest using Python 3.13.0	21s
Run pytest using Python 3.12	19s
Run mypy	18s
Process test coverage	21s
Build and publish Python 🐍 distributions 📦 to TestPyPI	28s
Process test complexity	14s
	4m 39s

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