UIView convert method

convert.swift

//: A UIKit based Playground for presenting user interface
  
import UIKit
import PlaygroundSupport

class MyViewController : UIViewController {
    override func loadView() {
        let view = UIView()
        view.backgroundColor = UIColor.blue

        let label = UILabel()
        label.frame = CGRect(x: 150, y: 200, width: 200, height: 20)
        label.text = "Hello World!"
        label.textColor = .black
        
        view.addSubview(label)

        let topView = UIView()
        topView.frame = CGRect(x: 0, y: 0, width: 300, height: 240)
        topView.backgroundColor = .red
        view.addSubview(topView)

        let bottomView = UIView()
        bottomView.frame = CGRect(x: 0, y:topView.frame.height, width: 300, height: 240)
        bottomView.backgroundColor = .green
        view.addSubview(bottomView)

        convert(top: topView, bottom: bottomView)


        self.view = view
    }

    private func convert(top: UIView, bottom: UIView) -> CGRect {


        return CGRect()
    }


}
// Present the view controller in the Live View window
PlaygroundPage.current.liveView = MyViewController()