span>
                    <span class="k">return</span>

    <span class="k">def</span> <span class="nf">_Generation</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">prefix</span><span class="p">,</span> <span class="n">itemSets</span><span class="p">,</span> <span class="n">tidSets</span><span class="p">):</span>
<span class="w">        </span><span class="sd">&quot;&quot;&quot;Equivalence class is followed  and checks for the patterns generated for periodi