 items</span>

<span class="sd">    :Methods:</span>
<span class="sd">        create: </span>
<span class="sd">            Generate the transactional database</span>
<span class="sd">        save: </span>
<span class="sd">            Save the transactional database to a file</span>
<span class="sd">        getTransactions: </span>
<span class="sd">            Get the transactional database</span>



<span class="sd">    </span>
<span class="sd">    &quot;&quot;&quot;</span>

    <span class="k">def</span> <