Enter Student ID: S001 Enter Name: Alice Johnson Enter Age: 20 Enter Grade (0-100): 92 ✓ Student Alice Johnson added successfully!
def add_student(self, student): """Add a new student""" if student.student_id in self.students: print(f"Student with ID student.student_id already exists!") return False self.students[student.student_id] = student print(f"✓ Student student.name added successfully!") return True python in netbeans
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
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") key=lambda s: s.name) def save_to_file(self
def __str__(self): return f"self.student_id | self.name | Age: self.age | Grade: self.grade" class StudentManager: """Manages collection of students"""
def __init__(self): self.students = {}
""" File: student_manager.py Description: A simple student management system demonstrating Python in NetBeans Author: NetBeans Python Example """ import json from datetime import datetime