آموزش استفاده و ایجاد فایل JSON در پایتون

				
					import json
import os

# تابع برای بارگذاری اطلاعات از فایل JSON
def load_students():
    if os.path.exists('students.json'):
        with open('students.json', 'r') as file:
            return json.load(file)
    return []

# تابع برای ذخیره اطلاعات در فایل JSON
def save_students(students):
    with open('students.json', 'w') as file:
        json.dump(students, file, indent=4)

# تابع برای افزودن دانشجو
def add_student(students):
    name = input("Enter student's name: ")
    student_id = input("Enter student's ID: ")
    gpa = float(input("Enter student's GPA: "))
    
    student = {
        "name": name,
        "id": student_id,
        "gpa": gpa
    }
    students.append(student)
    print("Student added successfully!")

# تابع برای نمایش اطلاعات دانشجویان
def show_students(students):
    if not students:
        print("No students found.")
        return
    
    for idx, student in enumerate(students, start=1):
        print(f"{idx}. Name: {student['name']}, ID: {student['id']}, GPA: {student['gpa']}")

# تابع اصلی
def main():
    students = load_students()
    
    while True:
        print("\nStudent Management System")
        print("1. Add Student")
        print("2. Show Students")
        print("3. Save and Exit")
        
        choice = input("Enter your choice: ")
        
        if choice == '1':
            add_student(students)
        elif choice == '2':
            show_students(students)
        elif choice == '3':
            save_students(students)
            print("Data saved. Exiting...")
            break
        else:
            print("Invalid choice. Please try again.")

if __name__ == "__main__":
    main()