an class="sd">        :type tidList: List</span>
<span class="sd">        &quot;&quot;&quot;</span>
        <span class="k">return</span> <span class="nb">sum</span><span class="p">(</span><span class="n">tidList</span><span class="o">.</span><span class="n">values</span><span class="p">())</span>

    <span class="k">def</span> <span class="nf">_save</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">prefix</span><span class="p">,</span> <span class="n">suffi