just install the different python versions by downloading the binaries or through your package manager and run python3.<whatever_version_you_want> -m venv and the virtual environment will automatically, forever, use that python version when you activate it.
just install the different python versions by downloading the binaries or through your package manager and run python3.<whatever_version_you_want> -m venv and the virtual environment will automatically, forever, use that python version when you activate it.