lass="o">=</span> <span class="n">f</span><span class="o">.</span><span class="n">readlines</span><span class="p">()[::</span><span class="o">-</span><span class="mi">1</span><span class="p">]</span>
                <span class="k">break</span>

            <span class="n">f</span><span class="o">.</span><span class="n">seek</span><span class="p">(</span><span class="o">-</span><span class="n">r_len</span><span class="p">,</span> <span class="mi">2</span><span class="p">)</span>
            <span class="c1"