def add_deprecated_argument(self, argument_name, num_args):
        le_util.add_deprecated_argument(
            self.parser.add_argument, argument_name, num_args)
Example::
dataset/ETHPy150Open letsencrypt/letsencrypt/certbot/cli.py/HelpfulArgumentParser.add_deprecated_argument--crossover with--dataset/ETHPy150Open chrisdembia/agent-bicycle/randlov1998/analysis.py/plot_nfq_action_value_history