ed.</span>
<span class="sd">        &quot;&quot;&quot;</span>
        <span class="n">episode</span><span class="o">.</span><span class="n">user_data</span><span class="p">[</span><span class="s2">&quot;net_energy_sum&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="mi">0</span>
        <span class="n">episode</span><span class="o">.</span><span class="n">user_data</span><span class="p">[</span><span class="s2">&quot;CO2_footprint_sum&quot;</span><span class="p">]</span> <span clas