</span> <span class="o">=</span> <span class="n">prop</span><span class="p">[</span><span class="s2">&quot;std&quot;</span><span class="p">]</span>
                <span class="n">values</span> <span class="o">=</span> <span class="n">prop</span><span class="p">[</span><span class="s2">&quot;values&quot;</span><span class="p">]</span>
                <span class="n">centers</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">array</span><span class="p">([</span><