So once your code gets large enough that it doesn't fit neatly within a jupyter notebook, it's time to split the code out into another package, and then import

So once your code gets large enough that it doesn't fit neatly within a jupyter notebook, it's time to split the code out into another package, and then import it into your notebook. The benefit here is that now your code and be used inside the jupyter notebook, and also inside a webserver say.