<title> MySlice - slice page with python var foo = {{ foo|default:"foo is undefined"}} </title>
{# This is where insert_str will end up #}
{% media_container prelude %}
+{% insert_str prelude "jquery/jquery.js" %}
+{% insert_str prelude "bootstrap/css/bootstrap.css" %}
<script type="text/javascript">
{# In case we need to add raw js code #}
{% container raw_js %}