="n">x</span><span class="p">]</span> <span class="o">=</span> <span class="n">s</span>
        <span class="k">for</span> <span class="n">x</span><span class="p">,</span> <span class="n">y</span> <span class="ow">in</span> <span class="n">periods</span><span class="o">.</span><span class="n">items</span><span class="p">():</span>
            <span class="k">if</span> <span class="n">y</span> <span class="o">&gt;=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_minSup</span><span