Dilemma: My ninth-quality art teacher doesn't give any grade previously mentioned ninety four% for the reason that, she suggests, "There's often area for enhancement.从打印出的结果中，我们并没有找到'_peivater_var'但是我们看到一个'_People__privater_var'.有没有想到什么？原来是被重命名了。好，我们来试试�