Python - transform a list
<blockquote>
  <p><strong>Possible Duplicate:</strong><br>
  <a href="http://stackoverflow.com/questions/952914/making-a-flat-list-out-of-list-of-lists-in-python">Making a flat list out of list of lists in Python</a>  </p>
</blockquote>



<p>I have a list like:</p>

<pre><code>[['22', '14']]
</code></pre>

<p>How can I transform it to:</p>

<pre><code>[22, 14]
</code></pre>

<p>Thank you.</p>
