class="nam">f</span><span class="op">)</span><span class="op">:</span>&nbsp;</span><span class="r"></span></p>
    <p class="run"><span class="n"><a id="t39" href="#t39">39</a></span><span class="t">        <span class="nam">self</span><span class="op">.</span><span class="nam">f</span> <span class="op">=</span> <span class="nam">f</span>&nbsp;</span><span class="r"></span></p>
    <p class="run"><span class="n"><a id="t40" href="#t40">40</a></span><span class="t">        <span class="nam">self</span><span 