="nn">pecg</span>
<span class="kn">from</span> <span class="nn">pecg.Example</span> <span class="kn">import</span> <span class="n">load_example</span>
<span class="kn">from</span> <span class="nn">pecg</span> <span class="kn">import</span> <span class="n">Preprocessing</span> <span class="k">as</span> <span class="n">Pre</span>

<span class="n">signal</span><span class="p">,</span> <span class="n">fs</span> <span class="o">=</span> <span class="n">load_example</span><span class="p">(</span><span class="n">e