s.</span>

<span class="sd">        :return:</span>

<span class="sd">            filtered_transactions (dict): A dictionary containing the filtered transactions.</span>
<span class="sd">            primary (set): A set containing the primary items.</span>
<span class="sd">            secondary (set): A set containing the secondary items.</span>
<span class="sd">        &quot;&quot;&quot;</span>


        <span class="n">file_data</span> <span class="o">=</span> <span class="p">[]</span>
        <span class