给定10个评委的评分，去掉一个最低分，一个最高分，求平均分-Given 10 judges score, removing a minimum score, one of the highest points, averaged points

这个程序要求用户输入学生的数目，然后输入学生两次随堂考试，一次期中考试和一次期末考试成绩。每次考试分数占了一定的比重，最终程序会对平均分进行评级。-This program is used to grade the level of students. The grades include four exams, each of the four exams has different proportions.