8pool

import UIKit

class ViewController: UIViewController {

@IBOutlet weak var balllArray: UIImageView! // Connect to UIImageView in storyboard

override func viewDidLoad() {

super.viewDidLoad()

}

@IBAction func askButtonPressed(_ sender: UIButton) {

let askButtonImages = [

UIImage(named: "ball1"),

UIImage(named: "ball2"),

UIImage(named: "ball3"),

UIImage(named: "ball4"),

UIImage(named: "ball5"),

]

balllArray.image = askButtonImages[Int.random(in: 0...4)] ?? UIImage()

}

}