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

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() python in netbeans

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

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") python in netbeans

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 __init__(self): self.students = {}