not current. It is an archive from Winter Quarter 2022.</big>
</div>

    <main class="main container-fluid" role="main"><div class="body-container container-fluid" data-spy="scroll" data-target="#toc">

<h1 class="title">Lecture 5. Containers, Part III</h1>
 <p class="subtleHeading">Friday January 14</p>
<hr>

<p class="attribution">

</p>



<div id="content"><p>Maps and sets provide a way to store data when keeping things in order isn't needed. This lecture explores these foundational types and how to us