title: How to save UIStepper to CoreData (swift 3)
body: <p>I use UIStepper in a tapleviewcell but I don't know how to save stepper value in my CoreData?</p>
  
  <pre><code>func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -&gt; UITableViewCell {
      let cell: StepperTableViewCell = tableView.dequeueReusableCell(withIdentifier: "cell") as! StepperTableViewCell
  
      //stepper is your UIStepper reference from StepperTableViewCell
      cell.stepper.tag = indexPath.row
      cell.stepper.addTarget(self, action: #selector(stepperAction(sender:)), for: .valueChanged)
  
      return cell
  }
  func stepperAction(sender: UIStepper)  {
      print("Stepper \(sender.tag) clicked. Its value \(sender.value)")
  }
  </code></pre>