lass="n">element</span><span class="o">.</span><span class="n">rUtils</span>
        <span class="bp">self</span><span class="o">.</span><span class="n">elements</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">element</span><span class="p">)</span>
        <span class="bp">self</span><span class="o">.</span><span class="n">maxPeriod</span> <span class="o">=</span> <span class="nb">max</span><span class="p">(</span><span class="bp">self</span><span class="o"