/span><span class="o">=</span><span class="s2">&quot;&quot;</span><span class="p">,</span>
    <span class="n">ylabel</span><span class="o">=</span><span class="s2">&quot;density&quot;</span><span class="p">,</span>
    <span class="n">legend</span><span class="o">=</span><span class="p">[</span><span class="s2">&quot;Control&quot;</span><span class="p">,</span> <span class="s2">&quot;Treatment&quot;</span><span class="p">],</span>
<span class="p">):</span>
<span class="w">    </span><span class="sd">&quot;