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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 _update_job(self, target, args, kwargs):
 """Specify the function this async job is to execute when run."""

        target_path, options = get_function_path_and_options(target)

        assert isinstance(args, (tuple, list)) or args is None
        assert isinstance(kwargs, dict) or kwargs is None

        if options:
            self.update_options(**options)

        self._options['job'] = (target_path, args, kwargs)