/dd>

        </dl>

        <dl>

          <dt>

            <b><a name="l2h-131"><tt class=

            "method">__delitem__</tt></a></b>(<var>self, key</var>)

          </dt>

          <dd>

            Called to implement deletion of

            <code><var>self</var>[<var>key</var>]</code>. Same note as for

            <tt class="method">__getitem__()</tt>. This should only be

            implemented for mappings if the objects support removal of keys,

            or for sequences if