title: How to get rid of the duplicate and also with the large value?
body: <p>My list contains</p>
  
  <p><code>User1, 0</code></p>
  
  <p><code>User2, 50</code></p>
  
  <p><code>User3, 30</code></p>
  
  <p><code>User1, 50</code></p>
  
  <p><code>User3, 68</code></p>
  
  <p>How do I get rid of the duplicates, but take the largest value out of them?</p>
  
  <p>Like need to contain this: <code>User1, 50</code>, <code>User2, 50</code>, <code>User3, 68</code> and get rid of <code>User1, 0</code> and <code>User3, 30</code></p>