"sd">        tidList : dict</span>
<span class="sd">            stores the timestamps of an item</span>

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

<span class="sd">        mine()</span>
<span class="sd">            Mining process will start from here</span>
<span class="sd">        getPatterns()</span>
<span class="sd">            Complete set of patterns will be retrieved with this function</span>
<span class="sd">        save(oFile)</span>
<span class="sd">            Complete set of frequent patterns will b