title: What code to prevent repeat items in random list MIT App Inventor
body: <p>I'm trying to select a random item from a list but after several button taps and I get repeat items and sometimes the same item comes up two or three times in a row. What code can I use to stop repeating items in list unless the complete list has been run through?</p>
  
  <p>Here's my code:
  <a href="http://i.stack.imgur.com/m7sYo.png" rel="nofollow">Random item in list</a></p>
  
  <p><a href="https://i.stack.imgur.com/m7sYo.png" rel="nofollow"><img src="https://i.stack.imgur.com/m7sYo.png" alt="enter image description here"></a></p>