class="o">.</span><span class="n">optimizer</span><span class="o">.</span><span class="n">param_groups</span><span class="p">:</span>
                <span class="n">lr</span> <span class="o">+=</span> <span class="s1">&#39; </span><span class="si">{}</span><span class="s1"> </span><span class="si">{:.2e}</span><span class="s1">&#39;</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">param</span><span class="p">[</span><span class="s1">&#39;name&#39;</span><sp