It's not necessarily easy to install "stock python". e.g. installing python 3.7 or newer on ubuntu requires quite a bit of initial setup. You'll be required to

It's not necessarily easy to install "stock python". e.g. installing python 3.7 or newer on ubuntu requires quite a bit of initial setup. You'll be required to install a ton of apt system dependencies, then add a custom system apt package index (ppa), then install it from the new repository and hope you managed to get all required dependencies. I failed several times in a row last time before I got it working, after trying 2 different methods.