Quizzing the user

Sometimes, we need to add some icons on our application, but depending on the icon you want, it's not necessary to add an image; you can use Unicode characters. Let's create a quiz app using strings alone.

The idea for this app is to create an app where the user needs to answer a question in 12 seconds. After the last quiz, the app will show to the user his score, such as the number of well-answered and badly-answered questions.

Getting ready

Once we know the concept of this program, let's create a new project and name it Chapter 2 Unicode.

How to do it...

To create a quiz app, follow these steps:

1. First, let's create a new file called Quiz and add a class with a question to it, with three possible answers and the right answer, as follows:

   class Quiz {
       var question:String
       // First possible answer
       var ①:String
       // second possible answer
       var ②:String
       // third possible answer
       var ③:String
       // Right answer
       var 👌:Int
       
       init(question:String,...