📁 Foydali JSON Uyga Vazifalar

✅ 1. Ma’lumotni JSON faylga yozish

Tavsif: Talabalar ro‘yxati bor (ism, familiya, yosh). Shu ma’lumotlarni students.json faylga yozing.

# Ma’lumotlar:
students = [
    {"name": "Ali", "surname": "Valiyev", "age": 20},
    {"name": "Laylo", "surname": "Karimova", "age": 21},
    {"name": "Bekzod", "surname": "Xolmatov", "age": 19}
]

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✅ 2. JSON faylni o‘qish

Tavsif: Yuqoridagi students.json faylini o‘qing va har bir talabaning ismi bilan yoshi ekranga chiqsin:

Ali - 20 yosh
Laylo - 21 yosh
Bekzod - 19 yosh

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✅ 3. Yangi element qo‘shish

Tavsif: students.json fayliga yangi talaba qo‘shing:

{"name": "Shahzoda", "surname": "Nazarova", "age": 22}

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✅ 4. Foydalanuvchidan ma’lumot olib JSON ga yozish

Tavsif: input() yordamida foydalanuvchidan ism, familiya, yosh so‘rang va mavjud students.json fayliga qo‘shib yozing.

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✅ 5. Yosh bo‘yicha filtr qilish

Tavsif: students.json faylidan faqat 20 yoshdan katta bo‘lganlarni ekranga chiqaring.

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✅ 6. JSONdan boshqa CSV formatga o‘tkazish

Tavsif: students.json faylini students.csv fayliga aylantiring. Har bir qatorda ism, familiya, yosh bo‘lsin.

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✅ 7. Statistika chiqarish

Tavsif: students.json faylidan o‘rtacha yoshni hisoblang.

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✅ 8. Top Student (Maksimal yosh)

Tavsif: Eng katta yoshli talabani toping va chiqaring.

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✅ 9. Studentlar sonini hisoblash

Tavsif: students.json faylidagi talabalarning umumiy sonini aniqlang.

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✅ 10. Tartiblab chiqish

Tavsif: Talabalarni yosh bo‘yicha oshib boruvchi tartibda chiqaring.

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🔥 11. Fayl mavjud bo‘lmasa yaratish

Tavsif: Dastur ishga tushganida students.json fayli mavjud bo‘lmasa, uni avtomatik yaratadigan kod yozing.