SecondViewController.swift

import UIKit

class SecondViewController: UIViewController {

    override func viewDidLoad() {
        super.viewDidLoad()
        print("2ViewDidLoad")
    }
    override func viewWillAppear(_ animated: Bool) {
        print("2ViewWillAppear")
    }
    override func viewDidAppear(_ animated: Bool) {
        print("2ViewDidAppear")
    }
    override func viewWillDisappear(_ animated: Bool) {
        print("2viewWillDisappear")
    }
    override func viewDidDisappear(_ animated: Bool) {
        print("2viewDidDisappear")
    }
    
    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }
}