t</span><span class="o">.</span><span class="n">gca</span><span class="p">()</span>
            <span class="n">circle1</span> <span class="o">=</span> <span class="n">plt</span><span class="o">.</span><span class="n">Circle</span><span class="p">((</span><span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">),</span> <span class="n">r</span><span class="p">,</span> <span class="n">fill</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
 