December 2012
Beginner
344 pages
7h 7m
English
Content preview from Python for Kids
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5ASKING QUESTIONS WITH IF AND ELSE
In programming, we often ask yes or no questions, and decide to do something based on the answer. For example, we might ask, “Are you older than 20?” and if the answer is yes, respond with “You are too old!”
These sorts of questions are called conditions, and we combine these conditions and the responses into if statements. Conditions can be more complicated than a single question, and if statements can also be combined with multiple questions and different responses based on the answer to each question.
In this chapter, you’ll learn how to use if statements to build programs.
IF STATEMENTS
An if statement might ...
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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.