Python — In Netbeans

# Try to load existing data manager.load_from_file()

def main(): """Main program loop""" manager = StudentManager() python in netbeans

def remove_student(self, student_id): """Remove a student by ID""" if student_id in self.students: removed = self.students.pop(student_id) print(f"✓ Student removed.name removed successfully!") return True print(f"Student with ID student_id not found!") return False # Try to load existing data manager

def find_student(self, student_id): """Find a student by ID""" return self.students.get(student_id) python in netbeans

def __init__(self, student_id, name, age, grade): self.student_id = student_id self.name = name self.age = age self.grade = grade self.created_at = datetime.now()

def get_all_students(self): """Return all students sorted by name""" return sorted(self.students.values(), key=lambda s: s.name)

Enter Student ID: S001 Enter Name: Alice Johnson Enter Age: 20 Enter Grade (0-100): 92 ✓ Student Alice Johnson added successfully!