imize the
            length of your program, but look for opportunities to reduce the size of your
            program substantially by reusing functions you have already defined.</li>
        </ul>


        <h2 id="names-and-variables">Names and variables</h2>


        <p>Variable and function names should be <em>self-descriptive</em>:</p>

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

        <pre><code>goal, score, opp_score = 100, 0, 0
greeting = &#x27;hello world&#x27;
is_even = 