Hey hey, I’ve just finished for you my newest tutorial “All the Built-in Functions of Python”
The goal of this guide is to both be a reference point and to prevent you from being sideswiped by some function that you have never heard of. Having a grasp of all the default tools available to you will keep morale and motivation high on all your coding travels. A function in Python is a block of code which only runs when it is called. It is organised, reusable and performs a single related action. Functions are all about making it easier for the user whilst increasing modularity and improving code reusability.