lass="sd">    :Attribute:</span>

<span class="sd">        totalTransactions : int</span>
<span class="sd">            No of transactions</span>
<span class="sd">        noOfItems : int</span>
<span class="sd">            No of items</span>
<span class="sd">        avgTransactionLength : int</span>
<span class="sd">            The length of average transaction</span>
<span class="sd">        outputFile: str</span>
<span class="sd">            Name of the output file.</span>

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