Why does calling n^2 for numbers in a range produce the results out of order? : <pre><code>&gt;&gt;&gt; nums = {n**2 for n in range(10)}
&gt;&gt;&gt; nums
{0, 1, 64, 4, 36, 9, 16, 49, 81, 25}
</code></pre>

<p>I dont get why the numbers are out of order? Should it not be {0, 1, 4, 9...}?</p>
