Fixed #23491 -- Clarified tutorial 3.

All Django wants is that :class:`~django.http.HttpResponse`. Or an exception.

Because it's convenient, let's use Django's own database API, which we covered

in :doc:`Tutorial 1 </intro/tutorial01>`. Here's one stab at the ``index()``

in :doc:`Tutorial 1 </intro/tutorial01>`. Here's one stab at a new ``index()``

view, which displays the latest 5 poll questions in the system, separated by

commas, according to publication date:

        output = ', '.join([p.question_text for p in latest_question_list])

        return HttpResponse(output)

    # Leave the rest of the views (detail, results, vote) unchanged

There's a problem here, though: the page's design is hard-coded in the view. If

you want to change the way the page looks, you'll have to edit this Python code.

So let's use Django's template system to separate the design from Python by