classes collapse django code example

Example: django bootstrap collapse

<div class="panel panel-default">
    <div class="panel-heading" role="tab">
        <h4 class="panel-title">
            <a role="button" data-toggle="collapse{{network.id}}" {% if parent %}data-parent="#{{parent.id}}"{% endif %} href="#collapse{{network.id}}" aria-expanded="false" aria-controls="collapse{{network.id}}">
                <p class="text-left">{{network}}</p>
            </a>
        </h4>
    </div>
    <div id="collapse{{network.id}}" class="panel-collapse collapse in" role="tabpanel" aria-labelledby="heading{{network.id}}">
        <div class="list-group">
        {%if network.children|length %}
            {%for ch in network.children %}
                {% include "ipmanager/includes/networktreetemplate.html" with parent=network network=ch %}
            {%endfor%}
        {%endif%}
        </div>
    </div>
</div>