    <span class="k">if</span> <span class="n">line</span><span class="p">:</span>
                    <span class="n">exec</span><span class="p">(</span><span class="n">line</span><span class="p">)</span>

            <span class="n">len_pg_in</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">pg</span><span class="p">)</span>

            <span class="c1"># hamil loop to store executables for each term in hamil</span>
            <span class="bp">self</span><