def input(self, message, default=None, cli_flag=None):
        if default is None:
            self._interaction_fail(message, cli_flag)
        else:
            return OK, default
Get the process UNIX user
dataset/ETHPy150Open letsencrypt/letsencrypt/certbot/display/util.py/NoninteractiveDisplay.input--crossover with--dataset/ETHPy150Open seandroid-analytics/seal/sealib/device.py/Process.user