I don’t have the permissions to fix it currently, but the Packaging category isn’t the right place for this, as it is about packaging Python projects; this should be in the Python Help category instead.
Already discussed here among other threads
Also, a key point to note is that Python feature versions released before a given OS was end of life still support that OS for their own lifetime (1.5 years of bugfix support and 5 years of security support), even if that OS goes EOL during that period, so you effectively get up to 5 years of (security) support after your OS EoLs. That’s a pretty good deal for free, I’d say.
A little off topic, but note that Debian is probably not a good choice if you’re looking for the latest Python (at least not stock), as it prioritizes stability and the latest Debian stable only comes with 3.9, one version later than 3.8 (of course, you can install your own, but that takes a bit more effort). Additionaly, the Debian Python story has numerous issues and compromises by default. Finally,m it’s probably also not the best choice for a Windows user thinking of migrating to Linux—other distros, like Ubuntu, cater much more to that.