Over the last couple of Python versions, numerous dead batteries have been deprecated and flagged for removal. With Python 3.13, they’re now entirely gone.

Python maintainers have, therefore, kept a few key 2.7 compatibility layers that will now be removed in the next release, Python 3.10. "Aliases to Abstract Base Classes in the collections module ...

I did a podcast look at the various versions and implementations of Python, including Python 3, Python 2, PyPy, IronPython, Jython, Stackless, Psycho, Shedskin, Cython, Unladen Swallow, etc. I'd ...