I find nix pills hard to digest since they use the repl, and for a newbie it's hard to see how they apply to real-world packing of something like a python appli

I find nix pills hard to digest since they use the repl, and for a newbie it's hard to see how they apply to real-world packing of something like a python application. This video helped me a lot though, but unfortunately there are a few minutes of broken audio in the middle https://youtu.be/2mG0zM_wtYs https://youtu.be/2mG0zM_wtYs