Before diving into a mobile project, we will start with a special type of project that will help us master the Swift language. These projects are a cool place to experiment, without the extra hassle of setting up a real mobile project. We can experiment with real mobile functions, without even working on a full mobile project. Playground projects are a really nice place to prototype algorithms or UI, and simply to have small building blocks, ready and fully tested, before plugging them into a mobile app.
Playground
What is a playground?
Straight from the file generated by Xcode:
"Playground – noun: a place where people can play."
Playground is a simple project, which can be used to practice, experiment, prototype...