一个简单的统计成绩的汇编程序。输入一组成绩后对成绩排序，查找最高分，和最低分，统计各段成绩的人数和平均成绩。初学者可以看看。-a simple statistical compilation of the results procedures. The importation of a pair of scores after the results, in order to search high and the lowest points of the performance statist