an> <span class="ow">in</span> <span class="n">frequentSet</span><span class="o">.</span><span class="n">items</span><span class="p">():</span>
                <span class="n">sample</span> <span class="o">=</span> <span class="nb">str</span><span class="p">()</span>
                <span class="k">for</span> <span class="n">k</span> <span class="ow">in</span> <span class="n">x</span><span class="p">:</span>
                    <span class="n">sample</span> <span class="o">=</span> <span class="n">sample</s