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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 get_traffic(self, subreddit):
 """Return the json dictionary containing traffic stats for a subreddit. :param subreddit: The subreddit whose /about/traffic page we will collect. """

        url = self.config['subreddit_traffic'].format(
            subreddit=six.text_type(subreddit))
        return self.request_json(url)