<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def get_duplicates(self, *args, **kwargs):
 """Return a get_content generator for the submission's duplicates. :returns: get_content generator iterating over Submission objects. The additional parameters are passed directly into :meth:`.get_content`. Note: the `url` and `object_filter` parameters cannot be altered. """

        url = self.reddit_session.config['duplicates'].format(
            submissionid=self.id)
        return self.reddit_session.get_content(url, *args, object_filter=1,
                                               **kwargs)