Chapter 12 — Closures: Exercise 3 — Hard

Exercise 3 — Hard

Task:
Bank hisobini simulyatsiya qiluvchi closure yozing: balance — private bo'lsin, faqat deposit(amount), withdraw(amount), getBalance() orqali unga ta'sir qilish mumkin bo'lsin. withdraw — agar balansdan ko'p pul yechilsa, xatolik xabarini chiqarsin.
Required Concepts:

• Closure
• Private state
• Conditional logic
  Hint:
  withdraw ichida if (amount > balance) shartini tekshiring.