n><span class="o">=</span><span class="mf">0.6</span><span class="p">,</span>
    <span class="n">extent</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
    <span class="n">contour_levels</span><span class="o">=</span><span class="p">[</span><span class="mi">10</span><span class="p">,</span> <span class="mi">40</span><span class="p">,</span> <span class="mi">68</span><span class="p">,</span> <span class="mi">95</span><span class="p">],</span>
    <span class="n">colors</sp