pan class="p">:</span>
            <span class="n">transactionLength</span><span class="p">[</span><span class="n">length</span><span class="p">]</span> <span class="o">=</span> <span class="n">transactionLength</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">length</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span>
            <span class="n">transactionLength</span><span class="p">[</span><span class="n">length</span><span class