//: A UIKit based Playground for presenting user interface import UIKit import PlaygroundSupport class MyViewController : UIViewController { override func loadView() { let view = UIView() view.backgroundColor = .white let label = UILabel() label.frame = CGRect(x: 150, y: 200, width: 200, height: 20) label.text = "Hello World!" label.textColor = .black view.addSubview(label) self.view = view labe..