Netbeans - Python In

def save_to_file(self, filename='students.json'): """Save student data to JSON file""" data = [student.to_dict() for student in self.students.values()] with open(filename, 'w') as f: json.dump(data, f, indent=2) print(f"✓ Data saved to filename")

def __init__(self): self.students = {}

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

# Try to load existing data manager.load_from_file() def save_to_file(self, filename='students

class Student: """Student class with basic information""" 'w') as f: json.dump(data

def get_average_grade(self): """Calculate average grade of all students""" if not self.students: return 0 total = sum(s.grade for s in self.students.values()) return total / len(self.students)

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