The Xcode playground for this chapter is in the Chapter04 folder of the code bundle for this book, which can be downloaded here:
https://github.com/PacktPublishing/iOS-13-Programming-for-Beginners
If you wish to start from scratch, create a new playground and name it RangeOperatorsAndLoops.
You can type in and run all the code in this chapter as you go along. Let's start with how to specify a range of numbers using range operators.
Check out the following video to see the code in action: