e removed from <code>employees</code>.</p>
<pre><code class="language-swift">var employees: Set = [&quot;Alicia&quot;, &quot;Bethany&quot;, &quot;Chris&quot;, &quot;Diana&quot;, &quot;Eric&quot;]
let neighbors: Set = [&quot;Bethany&quot;, &quot;Eric&quot;, &quot;Forlani&quot;, &quot;Greta&quot;]
employees.subtract(neighbors)
print(employees)
// Prints &quot;[&quot;Diana&quot;, &quot;Chris&quot;, &quot;Alicia&quot;]&quot;
</code></pre>
<ul>
<li>Parameter other: A set of the same type as the current set.</li>