">ec</span><span class="o">=</span><span
            class="s2">&quot;k&quot;</span><span class="p">,</span> <span class="n">alpha</span><span class="o">=</span><span
            class="n">alpha</span><span class="p">)]</span>

        <span class="n">ax</span><span class="o">.</span><span class="n">legend</span><span class="p">(</span><span
            class="n">handles</span><span class="p">,</span> <span class="p">[</span><span
            class="s2">&quot;Data&quot;</span><span class="p">],</span> <span