title: Remove all values within one list from another list?
body: <p>I am looking for a way to remove all values within a list from another list.</p>
  
  <p>Something like this:</p>
  
  <pre><code>a = range(1,10)  
  a.remove([2,3,7])  
  print a  
  a = [1,4,5,6,8,9]  
  </code></pre>