class="n">_tidList</span> <span class="o">=</span> <span class="p">{}</span>
        <span class="n">n</span> <span class="o">=</span> <span class="mi">0</span>
        <span class="k">for</span> <span class="n">line</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_Database</span><span class="p">:</span>
            <span class="bp">self</span><span class="o">.</span><span class="n">lno</span> <span class="o">+=</span> <span class="mi">1</span>
         