class="n">coor</span><span class="p">[</span><span class="n">i</span><span class="p">,</span><span class="mi">1</span><span class="p">],</span><span class="n">coor</span><span class="p">[</span><span class="n">i</span><span class="p">,</span><span class="mi">2</span><span class="p">],</span><span class="n">zero</span><span class="p">,</span><span class="n">zero</span><span class="p">))</span>
    <span class="k">for</span> <span class="n">k</span> <span class="ow">in</span> <span class="nb">range</span><spa