n class="p">]</span>

<span class="k">def</span> <span class="nf">ppl_plot</span><span class="p">(</span><span class="n">geo</span><span class="p">,</span> <span class="n">v0</span><span class="p">,</span> <span class="n">v1</span><span class="p">,</span> <span class="n">ts</span><span class="p">):</span>
    <span class="n">fig</span><span class="p">,</span> <span class="n">ax0</span> <span class="o">=</span> <span class="n">plt</span><span class="o">.</span><span class="n">subplots</span><span class="p">(