November 2024
Intermediate to advanced
620 pages
13h 46m
English
Content preview from Learn Python Programming - Fourth Edition
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7
Exceptions and Context Managers
The best-laid schemes o’ mice an’ men Gang aft agley.
– Robert Burns
This famous line by Robert Burns should be etched into the mind of every programmer. Even if our code is correct, errors will happen. If we do not deal with them properly, they can cause our best-laid schemes to go awry.
Unhandled errors can cause software to crash or misbehave. Depending on the nature of the software in question, this could have serious consequences. Therefore, it is important to learn how to detect and handle errors. We encourage you to cultivate the habit of always thinking about what errors can occur and how your code should respond when they do.
This chapter is all about errors and dealing with the unexpected. We will ...
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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.