lass="n">normalized</span><span class="p">()</span>
                    <span class="n">n</span> <span class="o">=</span> <span class="n">Point</span><span class="p">(</span><span class="o">-</span><span class="n">c</span><span class="p">[</span><span class="mi">1</span><span class="p">],</span> <span class="n">c</span><span class="p">[</span><span class="mi">0</span><span class="p">])</span>
                    <span class="n">polygon</span> <span class="o">=</span> <span class="p">[</span><span class="n">