Swift3: Live UiLabel update on user input

Question

I\'ve searched everywhere and can\'t seem to find a clear answer on updating a label in real-time.

How do i go about updating a UILabel (real-time) with

Answer 1

option 1: Directly you can make action of textfield with value changed

@IBAction func textFieldValueChange(_ sender: UITextField) {
        self.label.text = sender.text
    }

option 2: Give Delegate to TextField

func textField(textField: UITextField, shouldChangeCharactersInRange range: NSRange, replacementString string: String) -> Bool {

     label.text = textField.text 
     return true
 }