/span> <span class="nn">matplotlib.pyplot</span> <span class="kn">import</span> <span class="n">fig</span><span class="p">,</span> <span class="n">scatter</span><span class="p">,</span> <span class="n">axis</span>

<span class="n">fig</span> <span class="o">=</span> <span class="n">figure</span><span class="p">(</span><span class="n">facecolor</span><span class="o">=</span><span class="s1">&#39;k&#39;</span><span class="p">)</span>
<span class="n">ax</span> <span class="o">=</span> <span class="n">fig</span