July 2020
Beginner to intermediate
248 pages
6h 58m
English
Content preview from Python Workout
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6 Functions
Functions are one of the cornerstones of programming--but not because there’s a technical need for them. We could program without functions, if we really had to. But functions provide a number of great benefits.
First, they allow us to avoid repetition in our code. Many programs have instructions that are repeated: asking a user to log in, reading data from a particular type of configuration file, or calculating the length of an MP3, for example. While the computer won’t mind (or even complain) if the same code appears in multiple places, we--and the people who have to maintain the code after we’re done with it--will suffer and likely complain. Such repetition is hard to remember and keep track of. Moreover, you’ll likely find that ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.