# Usage example if __name__ == "__main__": user_db = UserDatabase() key_validator = KeyValidator() updater = RegistrationKeyUpdater(user_db, key_validator) username = "example_user" current_key = "current_registration_key" new_key = "new_registration_key"
# Usage example if __name__ == "__main__": user_db = UserDatabase() key_validator = KeyValidator() updater = RegistrationKeyUpdater(user_db, key_validator) username = "example_user" current_key = "current_registration_key" new_key = "new_registration_key"