s is the boolean at the end. Instead, do this:</p>

        <blockquote>
          <p>Good</p>
        </blockquote>

        <pre><code>total += example(4, 5, num != 49)</code></pre>

        <p>In addition, don't include the same code in both the <code>if</code> and the <code>else</code> clause
          of a conditional:</p>

        <blockquote>
          <p>Bad</p>
        </blockquote>

        <pre><code>if pred:            # bad!
    print(&#x27;stuff&#x27;)
    x += 1
    return x
else:
    x += 1
