isting"><span class="special">&gt;&gt;&gt;</span> <span class="identifier">import</span> <span class="identifier">demo</span>
<span class="special">&gt;&gt;&gt;</span> <span class="identifier">print</span> <span class="identifier">demo</span><span class="special">.</span><span class="identifier">foo</span><span class="special">.</span><span class="identifier">__doc__</span>
<span class="identifier">foo</span><span class="special">()</span> <span class="special">-&gt;</span> <span class="identifier">None</sp