In Chapter 11, we learned how to structure our code into functions so that other code can call these functions in a standardized way. However, your computer already comes preloaded with thousands of functions already built which you can call. In this chapter, we will look at how to call those functions, as well as some of the more helpful ones that are available.
The actual process of calling these functions you already know. If you know the name of a function, and you know its parameters, then you ...
