<h3 id="remove-commented-out-code">Remove commented-out code</h3>


        <p>Remove commented-out code from final version. You can comment lines out when
          you are debugging but make sure your final submission is free of commented-out
          code. This makes it easier for readers to identify relevant portions of code.</p>


        <h3 id="unnecessary-comments">Unnecessary comments</h3>


        <p>Don't write unnecessary comments. For example, the following is bad:</p>

        <blockquote>
 