{ username }} - means a variable called username</li>
                <li>Not clear what the params the play is working with without reading thru</li>
                <li>Parameters like the local path to clone the repo cannot be modified without changing the play. This alone is the most valuable reason alone for doing this even if the others don’t matter. </li>
            </ul>

            <p>Sometimes embedding values is intended with good reason (you don’t want user to override something).</p>
    