                         </span><span class="n">temp</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">temp</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="n">a</span><span class="p">(</span><span class="n">l</span><span class="p">,</span><span class="n">i</span><span class="p">)</span><span class="o">*</span><span class="n">b</span><span class="p">(</span><span class="n">l</span><span class="p">,</span><span class="n">j<