有学10个学生，每个学生的数据包括学号、姓名、3门课程的成绩，从键盘输入10个学生数据，要求输出3门课程总平均成绩，以及最高分的学生的数据（包括学号、姓名、3门课程成绩、平均分数）-10 school students, each student data, including Student ID, name, 3 courses accomplishments, from 10 students to keyboard input data, output of three courses require an overall average results, as well as the highest scoring students (including school No., name, 3 course results, the average score)