an> <span class="n">learning_rate</span><span class="p">,</span> <span class="n">momentum</span><span class="p">,</span>
              <span class="n">weight_decay</span><span class="p">,</span> <span class="n">use_lg_returns</span><span class="p">,</span>
              <span class="n">PCA_used</span><span class="p">,</span> <span class="n">data_X</span><span class="p">,</span> <span class="n">train_loss</span><span class="p">,</span> <span class="n">val_loss</span><span class="p">,</span> <span class="n">t