On day 4, I researched free automation methods. Today, I will actually install Python from those options and test if it works ...

Python 3.15 is expected to speed up some programs and simplifies handling immutable data. UTF-8 as standard requires testing.

The first bug its tests caught was the AI's own.

Learn how to apply Clean Architecture in Python without overengineering, using domain entities, use cases, Protocols, and lightweight infrastructure layers.