">y_pos</span> <span class="o">=</span> <span class="n">y_parent</span> <span
            class="o">-</span> <span class="mi">1</span>
                <span class="n">offset</span> <span class="o">=</span> <span class="n">x_parent</span> <span
            class="o">/</span> <span class="n">y_pos</span>
                <span class="k">if</span> <span class="n">offset</span> <span class="o">&gt;</span> <span
            class="mi">0</span><span class="p">:</span>
                    <span class="n">x_pos</spa