rofanity">Profanity</h3>


        <p>Don't leave profanity in your code. Even if you're really frustrated.</p>

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

        <pre><code>eff_this_class = 666</code></pre>


        <h3 id="naming-convention">Naming convention</h3>


        <p>Use <code>lower_case_and_underscores</code> for variables and functions:</p>

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

        <pre><code>total_score = 0
final_score = 1

def mean_str