ul if you expect the template to be rendered with
an implementation of Jinja in another programming language that does
not have a ``.items()`` method on its mapping type.

.. code-block:: html+jinja

    <dl>
    {% for key, value in my_dict|items %}
        <dt>{{ key }}
        <dd>{{ value }}
    {% endfor %}
    </dl>

.. versionadded:: 3.1
Nz'Can only get item pairs from a mapping.)