>df</span> <span class="o">-</span> <span class="n">hcb</span> <span class="o">&gt;</span> <span class="mi">0</span><span class="p">)</span> <span class="o">|</span> <span class="p">(</span><span class="n">df</span> <span class="o">-</span> <span class="n">lcb</span> <span class="o">&lt;</span> <span class="mi">0</span><span class="p">)</span> 
  <span class="n">fig</span> <span class="o">=</span> <span class="n">df</span><span class="o">.</span><span class="n">ix</span><span class="p">[</span><span class="