April 2018
Beginner
456 pages
11h 20m
English
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Lesson 4. Variables and expressions: giving names and values to things
After reading lesson 4, you’ll be able to
- Write code that creates Python objects
- Write code that assigns objects to variables
In your everyday life, you encounter many physical objects, or things. Each of these things has a name. They have names because it’s much easier to refer to them using a name rather than a description.
Using names is a great help when you’re always manipulating things, or objects. Some things are simple, such as the number 9. Some are more complicated, such as a dictionary. I can give the name Nana to the number 9, and the name Bill to my dictionary. You can give things (almost) any name you want. You can even give names to combinations of things. ...
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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.