ass="run"><span class="n"><a id="t31" href="#t31">31</a></span><span class="t">    <span class="key">def</span> <span class="nam">prerr</span><span class="op">(</span><span class="nam">self</span><span class="op">,</span> <span class="nam">s</span><span class="op">,</span> <span class="nam">end</span><span class="op">=</span><span class="str">"\n"</span><span class="op">)</span><span class="op">:</span>&nbsp;</span><span class="r"></span></p>
    <p class="mis show_mis"><span class="n"><a id="t32" href="#t3