用一个input函数输入5个学生数据，用一个average函数求总平均分，用max函数找出最高分学生数据，总平均分和最高分的学生数据都在主函数中输出。

-With an input function, enter the five student data, with an average demand function, the overall average score, with the highest score max function to find out student data, the total average score and the highest points of the student data in the main function of the output.