Chapter 4. Functions, the Building Blocks of Code
"To create architecture is to put in order. Put what in order? Function and objects." | ||
--Le Corbusier |
In this chapter, we're going to explore functions. We already said that everything is an object in Python, and functions are no exception to this. But, what exactly is a function? A function is a sequence of instructions that perform a task, bundled as a unit. This unit can then be imported and used wherever it's needed. There are many advantages to using functions in your code, as we'll see shortly.
I believe the saying, a picture is worth one thousand words, is particularly true when explaining functions to someone who is new to this concept, so please take a look at the following image:
As you ...
Get Python: Journey from Novice to Expert now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.