top-k periodic frequent patterns</span>
<span class="sd">        sep : str</span>
<span class="sd">            This variable is used to distinguish items from one another in a transaction. The default seperator is tab space or \t.</span>
<span class="sd">            However, the users can override their default separator.</span>
<span class="sd">        oFile : str</span>
<span class="sd">            Name of the output file or the path of the output file</span>
<span class="sd">        startTime:float</span