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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 create(self, export):
 """ Create and start processing a new Export. :param Export export: The Export to create. :rtype: Export """

        target_url = self.client.get_url(self._URL_KEY, 'POST', 'create')
        r = self.client.request('POST', target_url, json=export._serialize())
        return export._deserialize(r.json(), self)