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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def run(self, args=None):
 """Applicatin starting point. This will run the associated method/function/module or print a help list if it's an unknown keyword or the syntax is incorrect. Keyword arguments: args -- Custom application arguments (default sys.argv) """

        # TODO: Add tests to how command line arguments are passed in
        raw_args = self.__parser.parse_args(args=args)
        args = vars(raw_args)
        cmd = args.pop('cmd')
        if hasattr(cmd, '__call__'):
            cmd(**args)