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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 photo(self, args):
 """ Retrieves metadata for a specific photo. flickr:(credsfile),photo,(photo_id) """

        rsp = self._load_rsp(self.flickr.photos_getInfo(photo_id=args[0]))
        p = rsp['photo']
        yield self._prep(p)