Sum the second value of each tuple in a list
<p>I have structure like this:</p>

<pre><code>structure = [('a', 1), ('b', 3), ('c', 2)]
</code></pre>

<p>I would like to sum the integers (<code>1+3+2</code>) using <code>sum()</code> builtin method (in one line).</p>

<p>Any ideas?</p>
