Time and date formatter in swift 4

import UIKit

class TimeDateController: UIViewController {

    @IBOutlet weak var timeLabel: UILabel!

    

    @IBOutlet weak var dateLabel: UILabel!

    

    var timer = Timer()

    

    

    

    override func viewDidLoad() {

        super.viewDidLoad()

        

        updateTimer()

        timer = Timer.scheduledTimer(timeInterval: 1, target: self, selector: #selector(updateTimer), userInfo: nil, repeats: true)

        // Do any additional setup after loading the view.

    }

  

    

    @objc func updateTimer(){

        

        let timeFormatter =  DateFormatter()

        let dateFormatter = DateFormatter()

        

        timeFormatter.timeStyle = .medium

        dateFormatter.dateStyle = .medium

        

        timeLabel.text = timeFormatter.string(from: NSDate() as Date)

        dateLabel.text = dateFormatter.string(from: NSDate() as Date)

        

        

        

    }

}

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