title: Pull value from Kivy Spinner
body: <p>We have a spinner in our code and need to assign a value to the selection so we can use it later.</p>
  
  <pre><code>    GridLayout:
          cols: 2
          Label:
              font_size: '48sp'
              text: "[color=000000][sub]Select a sport:[/sub][/color]"
              halign: 'left'
              valign: 'middle'
              markup: True
              text_size: self.size
  
          Spinner:
              text: 'Select a sport'
              values: ('Soccer', 'Basketball', 'Volleyball', 'Handball')
              size: (100,44)
  </code></pre>