Introduction - If you have any usage issues, please Google them yourself
1, the results of entry: the students learn number, name, gender and various courses results entry. \ N " < < " 2, the results query: according to the student number or name query the results of a student. \ N " < < " 3, modification of the results: according to the student number or name to modify the corresponding student achievement. \ N " < < " 4, data delete: delete a student' s data can be specified according to the student number or name. \ N " < < " 5, the results of statistical analysis: grade point average. \ N " < < " 6, the total score and grade point average of queries: queries based on student number or name. \ N " < < " View all student information. \ N " < < " 8, all students save files. \ N " < < " 9 to open the specified data file. \ N " < < " 10, sort output by a total score of student information. \ N " < < " 11, the output of student