Python In Netbeans ((install)) · Ultimate

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

class Student: """Student class with basic information""" Find Student") print("4

""" File: student_manager.py Description: A simple student management system demonstrating Python in NetBeans Author: NetBeans Python Example """ import json from datetime import datetime Save Data to File") print("7

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

def load_from_file(self, filename='students.json'): """Load student data from JSON file""" try: with open(filename, 'r') as f: data = json.load(f) for item in data: student = Student( item['student_id'], item['name'], item['age'], item['grade'] ) self.students[student.student_id] = student print(f"✓ Loaded len(data) students from filename") return True except FileNotFoundError: print(f"No saved data found in filename") return False def display_menu(): """Display the main menu""" print("\n" + "="*50) print(" STUDENT MANAGEMENT SYSTEM") print("="*50) print("1. Add New Student") print("2. Remove Student") print("3. Find Student") print("4. List All Students") print("5. Show Statistics") print("6. Save Data to File") print("7. Load Data from File") print("8. Exit") print("="*50)

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")