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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 history(self):
 """Gets the historical record of this subscriber's trackable actions."""

        params = {"email": self.email_address}
        response = self._get("/subscribers/%s/history.json" %
                             self.list_id, params=params)
        return json_to_py(response)