this function returns the list of students that are blacklisted from an assignment.

The difference between this function and GetAssignment is that this also fetches test cases, submissions, etc.

This function fetches all submissions in a given instant test and returns it as an array it also returns an array of questionIDs and a boolean stating if the test is active.

the below function is used to update the submission and answers of a student if the submission exists, we update it.

the below function is used to update the submission and answers of a student if the submission exists, we update it.

other packages can access this variable.