Input and Output of the Project

Input:

The user interacts through a simple menu, typing a number from 1 to 10 to pick an action. Based on the choice, the program asks for details like roll number, name, class, and phone number when adding a student; subject and marks when entering grades; or present/absent when marking attendance.

Below are the screenshots of the input:

Output:

Once the details are entered, the program shows the result right below, like "Student added successfully", a table of all students, or a report card with total, average, and grade. If something goes wrong, like an invalid roll number, it shows a clear error message instead of crashing.

Below are the screenshots of the output: