rong>iteration</strong>, not recursion.</p>

<h3 id="intermediate-tests-versus-end-to-end">Intermediate tests versus end-to-end</h3>
<p>Although the ultimate goal of your testing is to confirm that both of your sort functions work at a high-level (i.e. rearrange the list into sorted order), end-to-end tests will not be useful early in your development. Instead, you will need to write test cases that you can use as you go. For example, after having written each helper function, add targeted student tests tha