Swift ViewController lifecycle

 

	class ViewController: UIViewController {
	override func viewDidLoad() {
	super.viewDidLoad()
	print("viewDidLoad1")
	}
	override func viewWillAppear(_ animated: Bool) {
	super.viewWillAppear(animated)
	print("viewWillAppear1")
	}
	}
	class ViewController2: UIViewController {
	override func viewDidLoad() {
	super.viewDidLoad()
	print("viewDidLoad2")
	}
	override func viewWillAppear(_ animated: Bool) {
	super.viewWillAppear(animated)
	print("viewWillAppear2")
	}
	}

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