Django templates trick for comma separated lists, exclude "comming" last item

comma_separated_items.html

<!-- template.html -->
{% for item in items %}
    <a href="{{item.slug}}">{{item.name}}</a>{% include "comma.html" %}
{% endfor %}


<!-- comma.html -->
{% if not forloop.last %}
    {% ifequal forloop.revcounter 2 %} и {% else %}, {% endifequal %}
{% else %}
{% endif %}