lass="p">(</span><span class="n">r</span><span class="p">,</span> <span class="n">energy</span><span class="p">,</span> <span class="n">line_width</span> <span class="o">=</span> <span class="mi">2</span><span class="p">,</span> <span class="n">legend_label</span> <span class="o">=</span> <span class="n">symbols</span><span class="p">)</span>
<span class="n">plot</span><span class="o">.</span><span class="n">legend</span><span class="o">.</span><span class="n">location</span> <span class="o">=</span> <span 