Which python? 2.7 that is symlinked to `python` on the distro? 3.5 that is installed by default? or perhaps you meant 3.9 but what about that cool library that

Which python? 2.7 that is symlinked to `python` on the distro? 3.5 that is installed by default? or perhaps you meant 3.9 but what about that cool library that you're gonna use which is only available for 3.9.2 and not 3.9.1 due to a bug? How are you gonna handle installing that beautifulsoup dependency in a way that does not bork the OS python deps? Are you gonna use `python -m venv` or `poetry` or `pipenv`?