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Hello, World!
In this chapter, we’ll walk you through creating your very first app. But what exactly is an app? Short for application, an app is a computer program, which is a set of written instructions for a computer to follow. An app performs a task for the user, like giving driving directions, predicting the weather, or even just providing entertainment with a game. The apps that run on a phone or a tablet, often called mobile apps, have a lot in common with the programs that run on regular computers. After reading this book, you’ll be able to use your new programming skills on way more than an iPhone or iPad! A computer is a computer, after ...
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