p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">arr</span><span class="p">,</span> <span class="n">item</span><span class="p">):</span>
<span class="w">        </span><span class="sd">&quot;&quot;&quot;</span>
<span class="sd">        Do a binary search on the given array to find the given item.</span>

<span class="sd">        :param arr: The array to search in.</span>

<span class="sd">        :type arr: list</span>

<span class="sd">        :param item: The item to search 