def request_ip(self, msg, default_value):
        while True:
            try:
                s = self.request_string(msg, default_value)
                valid_ip(s)
                return s
            except Exception:
                self.out.error("Not a valid IP \n")
Insert the first argument to the previous command (usually the
dataset/ETHPy150Open biicode/client/shell/userio.py/UserIO.request_ip--crossover with--dataset/ETHPy150Open deanhiller/databus/webapp/play1.3.x/python/Lib/site-packages/pyreadline/modes/emacs.py/EmacsMode.yank_nth_arg