urn True
else:
    return False</code></pre>

        <p>Instead, do this:</p>

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

        <pre><code>return pred         # good!</code></pre>

        <p>Likewise:</p>

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

        <pre><code>if num != 49:
    total += example(4, 5, True)
else:
    total += example(4, 5, False)</code></pre>

        <p>In the example above, the only thing that changes between the
          conditional