title: Python lists: join list by index
body: <p>I'd like to join a list into a string by index in Python 3.3. I can do it for items the follow each other, but I would like to access it by index only. </p>
  
  <p>this works:</p>
  
  <pre><code>list = ['A', 'B', 'C', 'D']
  partList = "".join(list[1:3])
  -&gt; BC
  </code></pre>
  
  <p>But how can I achieve this (it doesn't work):</p>
  
  <pre><code>list = ['A', 'B', 'C', 'D']
  partList = "".join(list[0,3])
  -&gt; AD
  </code></pre>