">.</span><span class="n">append</span><span class="p">(</span><span class="nb">int</span><span class="p">(</span><span class="n">items</span><span class="p">[</span><span class="mi">0</span><span class="p">]))</span>
                    <span class="bp">self</span><span class="o">.</span><span class="n">_transactions</span><span class="o">.</span><span class="n">append</span><span class="p">([</span><span class="n">x</span> <span class="k">for</span> <span class="n">x</span> <span class="ow">in</span> <spa