Introduction - If you have any usage issues, please Google them yourself
1. manual input
2. calculate the total and average scores of each course
3. according to the total score of students from high to low row list
4. according to student achievement table from discharge
5., according to the name of the student rankings and their examination results
6. statistics
7. output
0. quit the system
Please select and enter the corresponding menu item:
Then operate accordingly according to the options entered by the user.