统计学生成绩。 设有十个学生的成分别是：（自己设定）。统计一下60~69分，70~79分，80~89分，90~99分和100分的人数并存放在s6,s7,s8,s9,s10单元中。（通过对子程序的调用实现）-student achievement statistics. With 10% of the students were : (self-imposed). Statistics about 60 to 69 points, 70 to 79 points, 80 to 89, 90 to 99 points and 100 points on both the number of M16, s670, S8, s9, s 10 modules. (Through subroutine calls realization)