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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 post(self, url, obj, content_type=JSON_CONTENT_TYPE, **kwargs):
 """ POST an object and check the response. Retry once if a badNonce error is received. :param str url: The URL to request. :param ~josepy.interfaces.JSONDeSerializable obj: The serializable payload of the request. :param bytes content_type: The expected content type of the response. By default, JSON. :raises txacme.client.ServerError: If server response body carries HTTP Problem (draft-ietf-appsawg-http-problem-00). :raises acme.errors.ClientError: In case of other protocol errors. """

        def retry_bad_nonce(f):
            f.trap(ServerError)
            # The current RFC draft defines the namespace as
            # urn:ietf:params:acme:error:<code>, but earlier drafts (and some
            # current implementations) use urn:acme:error:<code> instead. We
            # don't really care about the namespace here, just the error code.
            if f.value.message.typ.split(':')[-1] == 'badNonce':
                # If one nonce is bad, others likely are too. Let's clear them
                # and re-add the one we just got.
                self._nonces.clear()
                self._add_nonce(f.value.response)
                return self._post(url, obj, content_type, **kwargs)
            return f
        return (
            self._post(url, obj, content_type, **kwargs)
            .addErrback(retry_bad_nonce))