The Admin System

Admin menu offers the following actions:

$($c$)$ clear database file: enables admin to clear the data file $$students$.$data$$

$($g$)$ group students: shows the students organized with respect to the grade

$($p$)$ partition students: shows the pass$/$fail distribution

$($r$)$ remove student: enables admin to remove a student by ID

$($s$)$ show: show the students from the data file

$($x$)$ exit

NOTE: Admins already exist in the system. They do not need to login into the system. Admins can simply use the admin sub$-$system.