  <span class="nb">print</span><span class="p">(</span><span class="n">epoch</span><span class="p">)</span>
        <span class="n">MODEL</span><span class="o">.</span><span class="n">train</span><span class="p">(</span><span class="n">train_net</span><span class="p">,</span> <span class="n">device</span><span class="p">,</span> <span class="n">train_loader</span><span class="p">,</span> <span class="n">optimizer</span><span class="p">,</span> <span class="n">epoch</span><span class="p">)</span>
        <sp