ass="n">fp</span><span class="o">.</span><span class="n">results</span><span class="p">[</span><span class="s1">&#39;df&#39;</span><span class="p">][</span><span class="s1">&#39;peak&#39;</span><span class="p">]</span><span class="o">.</span><span class="n">sum</span><span class="p">())</span>
<span class="c1"># 20</span>
<span class="c1"># Number of valleys</span>
<span class="nb">print</span><span class="p">(</span><span class="n">fp</span><span class="o">.</span><span class="n">results</span><span class=