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    class ViewController: UIViewController, UITextFieldDelegate {

    
    override func touchesBegan(touches: Set<UITouch>, withEvent event: UIEvent?) {
        
        self.view.endEditing(true)
        
    }
    
    func textFieldShouldReturn(textField: UITextField) -> Bool {
        
        textField.resignFirstResponder()
        
        return true
        
    }


}