Developers and beginners who are just starting should carefully weigh the trade-offs of Python 2 vs. 3 before deciding which to use, considering factors like compatibility with existing code ...

Python, for all its power and popularity ... It’s to describe the structure of what you want to match. This way, you can perform matches based on the number of elements you’re matching ...

Because of this, the process of adding new features was becoming an exercise in hacking around the existing code. The solution was Python 3: the only release that deliberately broke backwards ...