Close iOS Keyboard by touching anywhere using Swift 3

How to close your keyboard by touching a view or return button on the keyboard for UITextField

import UIKit

class SendDropMailVC: UIViewController , UITextFieldDelegate {

   

    @IBOutlet weak var TextField: UITextField!

      

    override func viewDidLoad() {

        super.viewDidLoad()

        //to recognize delegate

        self.TextField.delegate = self

    }

    

    // When you touch anywhere on your view.

    override func touchesBegan(_ touches: Set<UITouch>, with event: UIEvent?) {

        self.view.endEditing(true)

    }

    //when you touch a Return Button on the keyboard.

    func textFieldShouldReturn(_ textField: UITextField) -> Bool {

        TextField.resignFirstResponder()

        return (true)

    }

    

}