Untitled

class QRCodeSystem:
    def __init__(self):
        self.user_qr_data = {}

    def generate_qr_code(self, user_id):
        # Generate a QR code for a user
        qr_code_data = f"User: {user_id}"
        return qr_code_data

    def register_user_qr_code(self, user_id):
        # Register the user and their QR code
        qr_code = self.generate_qr_code(user_id)
        self.user_qr_data[user_id] = qr_code
        return qr_code

    def confirm_delivery(self, user_id, scanned_qr_code):
        # Confirm delivery by checking the scanned QR code against the registered user's code
        if user_id in self.user_qr_data and scanned_qr_code == self.user_qr_data[user_id]:
            return True
        else:
            return False


# Example Usage:
qr_system = QRCodeSystem()

# Registering a user and generating their QR code
user_id = "123"
user_qr_code = qr_system.register_user_qr_code(user_id)
print(f"User QR Code: {user_qr_code}")

# Simulating a delivery confirmation
scanned_code = "User: 123"
delivery_confirmed = qr_system.confirm_delivery(user_id, scanned_code)
if delivery_confirmed:
    print("Delivery Confirmed!")
else:
    print("Delivery Not Confirmed. Invalid QR Code.")