n class="mi">2</span><span class="p">)</span>
    <span class="n">size</span> <span class="o">=</span> <span class="n">struct</span><span class="o">.</span><span class="n">unpack</span><span class="p">(</span><span class="s1">'&lt;I'</span><span class="p">,</span> <span class="n">gf</span><span class="o">.</span><span class="n">read</span><span class="p">())[</span><span class="mi">0</span><span class="p">]</span>

    <span class="n">gf</span><span class="o">.</span><span class="n">seek</span><span class="