nodes&quot;</span><span class="p">:</span> <span class="mi">3</span>
  <span class="p">},</span>
  <span class="s2">&quot;optimiser&quot;</span><span class="p">:</span> <span class="p">{</span>
    <span class="s2">&quot;params&quot;</span><span class="p">:</span> <span class="p">{</span><span class="s2">&quot;learning_rate&quot;</span><span class="p">:</span> <span class="mf">0.001</span><span class="p">,</span> <span class="s2">&quot;beta_1&quot;</span><span class="p">:</span> <span class="mf">0.8</span><