def deposit(self, amount): if amount <= 0: return "Amount must be positive" self.balance += amount self._log_transaction("DEPOSIT", amount) return f"Deposited $amount. New balance: $self.balance"
print(f"Alice balance: $alice.balance") print(f"Bob balance: $bob.balance") e wallet code
return f"Sent $amount to recipient_wallet.user_id" def deposit(self, amount): if amount <= 0: return
Want to go deeper? Try building a simple wallet with and add a mock payment gateway. You’ll learn more than any tutorial can teach. Have you built a payment or wallet system before? What was your biggest technical challenge? Let me know in the comments. amount): if amount <