"c1"># default settings</span>
    <span class="n">_MU_RANGE</span> <span class="o">=</span> <span class="p">{</span><span class="s1">&#39;low&#39;</span><span class="p">:</span> <span class="mi">0</span><span class="p">,</span> <span class="s1">&#39;high&#39;</span><span class="p">:</span> <span class="mi">5</span><span class="p">}</span>
    <span class="n">_NU_RANGE</span> <span class="o">=</span> <span class="p">{</span><span class="s1">&#39;low&#39;</span><span class="p">:</span> <span class="mf">0.6</