an><span class="s1">&#39;_&#39;</span><span
            class="p">,</span> <span class="s1">&#39;\_&#39;</span><span class="p">,</span> <span class="n">title</span><span
            class="p">)</span>
            <span class="n">output</span><span class="o">.</span><span class="n">write</span><span
            class="p">(</span><span class="s1">&#39;\caption{&#39;</span> <span class="o">+</span> <span class="n">title_latex</span> <span
            class="o">+</span> <span class="s1">&#39;}&#39;</span><span 