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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 _header_poster(self, uri, headers):
 """POST Headers on a specified object in the container. :param uri: ``str`` :param headers: ``dict`` """


        resp = self.http.post(url=uri, body=None, headers=headers)
        self._resp_exception(resp=resp)
        return resp