 See also:</span>
<span class="sd">      same method</span>
<span class="sd">      same_index method</span>
<span class="sd">    &quot;&quot;&quot;</span>
    <span class="k">return</span> <span class="nb">reduce</span><span class="p">(</span><span class="k">lambda</span> <span class="n">x</span><span class="p">,</span><span class="n">y</span><span class="p">:</span><span class="n">x</span> <span class="ow">or</span> <span class="n">y</span><span class="p">,</span> <span class="p">[</span><span class="bp">s