span><span class="p">:</span>
                <span class="n">value</span> <span class="o">=</span> <span class="nb">float</span><span class="p">(</span><span class="n">value</span><span class="p">)</span>
                <span class="n">value</span> <span class="o">=</span> <span class="p">((</span><span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_Database</span><span class="p">))</span> <span class="o">*</span> <span class="n">value</sp