ow</span> <span class="n">the</span> <span class="n">top</span> <span class="n">X</span> <span class="n">values</span><span class="p">)</span>
<span class="n">text_colours</span><span class="o">=</span><span class="p">{}</span> <span class="o">--&gt;</span> <span class="n">a</span> <span class="n">dictionary</span> <span class="n">of</span> <span class="n">colours</span> <span class="k">for</span> <span class="n">the</span> <span class="n">text</span> <span class="n">of</span> <span class="n">the</span> <sp