def auth_interactive_dumb(self, username, handler=None, submethods=""):
        """
        Autenticate to the server interactively but dumber.
        Just print the prompt and / or instructions to stdout and send back
        the response. This is good for situations where partial auth is
        achieved by key and then the user has to enter a 2fac token.
        """

        if not handler:

            def handler(title, instructions, prompt_list):
                answers = []
                if title:
                    print(title.strip())
                if instructions:
                    print(instructions.strip())
                for prompt, show_input in prompt_list:
                    print(prompt.strip(), end=" ")
                    answers.append(input())
                return answers

        return self.auth_interactive(username, handler, submethods)