<p>以下程序的输出结果是：( )<br/> def fun1():<br/> print("in fun1()")<br/> fun2()<br/> fun1()<br/> def fun2():<br/> print("in fun2()")<br/> fun1()<br/> fun2</p>
<p> in fun1()<br/> in fun2()</p>
<p> in fun1()</p>
<p> 死循环</p>
<p> 出错</p>
