Technical requirements
The Xcode playground for this chapter is in the Chapter03
folder of the code bundle for this book, which can be downloaded here:
https://github.com/PacktPublishing/iOS-14-Programming-for-Beginner-Fifth-Edition
Check out the following video to see the Code in Action: https://bit.ly/3jvmPIs
Create a new playground and name it ConditionalsAndOptionals
. You can type in and run all the code in this chapter as you go along. You'll start by learning about conditionals.