def remove_students():
        with sqlite3.connect("BehaviourManagement.db") as db:
            cursor = db.cursor()
            flag1 = True
            while flag1 == True:
                print("information of student you wish to remove")
                first_name = input("Enter first name: ")
                surname = input("Enter surname:  ")
                year_group = int(input("Enter year group: "))
                cursor.execute('SELECT first_name, surname, year_group From students WHERE first_name="%s" AND surname="%s" AND year_group="%s"' % (first_name, surname, year_group))
                if cursor.fetchone() is not None:
                    student_info = ((first_name,), (surname,), (year_group,))
                    cursor.execute(remove_student, student_info)
                    db.commit()
                    if cursor.fetchone() is None:
                        print("student has been removed")
                        flag1 = False
                        db.commit()
                    else:
                        ("error has occured... student has'nt been removed")
                    flag1 = False
                else:
                    print("there is no such student in the database... try again")

Traceback (most recent call last):
  File "C:Python33libtkinter__init__.py", line 1475, in __call__
    return self.func(*args)
  File "M:computer science a2comp 3login.py", line 186, in remove_students
    cursor.execute(remove_student, student_info)
sqlite3.OperationalError: near "(": syntax error