 class="n">gene_list</span><span class="p">:</span>
        <span class="k">if</span> <span class="n">log_fc</span><span class="p">[</span><span class="n">i</span><span class="p">]</span> <span class="o">&gt;</span> <span class="mi">0</span><span class="p">:</span>
            <span class="n">value_colours</span><span class="p">[</span><span class="n">g</span><span class="p">]</span> <span class="o">=</span> <span class="s1">&#39;lavenderblush&#39;</span>
        <span class="k">else</span><span class="p">: