an class="linenos">47</span></a>    <span class="n">tq</span> <span class="o">=</span> <span class="n">tqdm</span><span class="p">(</span><span class="n">total</span><span class="o">=</span><span class="nb">len</span><span class="p">(</span><span class="n">dataloader</span><span class="p">))</span>
</span><span id="L-48"><a href="#L-48"><span class="linenos">48</span></a>    <span class="n">tq</span><span class="o">.</span><span class="n">set_description</span><span class="p">(</span><span class="sa">f</spa