Untitled

import UIKit

class GymAppViewController: UIViewController {

    override func viewDidLoad() {
        super.viewDidLoad()

        // Create a label and set its text to "Welcome to the Gym App!"
        let label = UILabel(frame: CGRect(x: 0, y: 0, width: 320, height: 40))
        label.text = "Welcome to the Gym App!"
        view.addSubview(label)

        // Create a button and set its title to "Start Workout"
        let button = UIButton(frame: CGRect(x: 0, y: 40, width: 320, height: 40))
        button.setTitle("Start Workout", for: .normal)
        button.addTarget(self, action: #selector(startWorkout), for: .touchUpInside)
        view.addSubview(button)
    }

    @objc func startWorkout() {
        // TODO: Start the workout
    }
}