def do_up(self,args):
parser = CommandArgumentParser("<STR_LIT>")<EOL>args = vars(parser.parse_args(args))<EOL>if None == self.parent:<EOL><INDENT>print("<STR_LIT>")<EOL><DEDENT>else:<EOL><INDENT>return True<EOL><DEDENT>
Navigate up by one level.

For example, if you are in `(aws)/stack:.../asg:.../`, executing `up` will place you in `(aws)/stack:.../`.

up -h for more details