>
        <span class="c1">#print(tids)</span>
        <span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="n">tids</span><span class="p">)</span><span class="o">-</span><span class="mi">1</span><span class="p">):</span>
            <span class="n">j</span> <span class="o">=</span> <span class="n">i</span> <span class="o">+</span> <span class="mi">1</span>
          