class="o">*</span><span class="p">(</span><span class="n">bt</span><span class="o">==</span><span class="mi">0</span><span class="p">)]</span> <span class="o">=</span> <span class="mi">0</span>
    <span class="n">hpr</span><span class="p">[(</span><span class="n">apr</span><span class="o">==</span><span class="mi">0</span><span class="p">)</span><span class="o">*</span><span class="p">(</span><span class="n">br</span><span class="o">==</span><span class="mi">0</span><span class="p">)]</span> <span class="o