title: Extraction of elements of tuples
body: <p>Given one list with one tuple:</p>
  <pre><code>[{4,1,144}]
  </code></pre>
  <p>How to extract the first element of the tuple inside the list:</p>
  <pre><code>element(1,lists:nth(1,L))
  </code></pre>
  <p>Do you have a simpler solution?</p>