I do not assume anything. I'm taking the beginner seat almost daily, in some context or another. But he who shell instruct his children to start with installing

I do not assume anything. I'm taking the beginner seat almost daily, in some context or another. But he who shell instruct his children to start with installing docker, rather with installing "python" (which is an ill-defined term) - will have much, much sooner, a class running predictable setup. And, speaking of assuming things - it will keep running even without network connectivity.