<ul>
<li>00:00 The sets chapter</li>
<li>02:45 Creating a set</li>
<li>05:00 Creating and empty set.</li>
<li>05:25 Adding element to a set. (add)</li>
<li>06:00 Merging one set into another set. (update)</li>
<li>09:23 intersection</li>
<li>10:38 subset</li>
<li>11:05 symmetric difference</li>
<li>11:40 union</li>
<li>12:44 What is the difference between union and update?</li>
<li>13:20 relative complement</li>
</ul>