 class="p">[</span><span class="mi">0</span><span class="p">:</span><span class="n">i1</span><span class="p">]</span>
                                <span class="n">probability</span> <span class="o">=</span> <span class="nb">float</span><span class="p">(</span><span class="n">i</span><span class="p">[</span><span class="n">i1</span> <span class="o">+</span> <span class="mi">1</span><span class="p">:</span><span class="n">i2</span><span class="p">])</span>
                                <span class="n">pr