><span class="p">,</span> <span class="n">val_loss</span><span class="p">,</span> <span class="s1">&#39;b&#39;</span><span class="p">,</span> <span class="n">label</span><span class="o">=</span><span class="s1">&#39;Validation loss&#39;</span><span class="p">)</span>
<span class="n">plt</span><span class="o">.</span><span class="n">title</span><span class="p">(</span><span class="s1">&#39;Training and validation loss&#39;</span><span class="p">)</span>
<span class="n">plt</span><span class="o">.</span><span