>,</span> <span class="s2">&quot;external_gene_name&quot;</span><span class="p">,</span> <span class="p">[</span><span class="s1">&#39;Forebrain&#39;</span><span class="p">,</span> <span class="s1">&#39;Spinal cord&#39;</span><span class="p">,</span> <span class="s1">&#39;Pro. Prolif.&#39;</span><span class="p">],</span>
                            <span class="n">cool_genes</span><span class="p">,</span> <span class="n">show_plt</span><span class="o">=</span><span class="kc">True</span><span class="p">,</s