n><span class="p">()</span>
        <span class="bp">self</span><span class="o">.</span><span class="n">_k</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_convert</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_k</span><span class="p">)</span>
        <span class="n">plist</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_frequentOneItem</span><span class