self._log_transaction("SEND", amount, recipient_wallet.user_id) recipient_wallet._log_transaction("RECEIVE", amount, self.user_id)
alice.deposit(100) print(alice.pay(30, bob)) e wallet code
We all use e-wallets daily. Tap your phone, scan a QR code, or send money to a friend—it feels like magic. But as a developer, I know there’s a lot more happening under the hood. self.user_id) alice.deposit(100) print(alice.pay(30
self.balance -= amount recipient_wallet.balance += amount scan a QR code
print(f"Alice balance: $alice.balance") print(f"Bob balance: $bob.balance")
