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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:
 async def destroy_async(self):
 """Asynchronously close any open management Links and close the Session. Cleans up and C objects for both mgmt Links and Session. """

        for _, link in self._mgmt_links.items():
            await link.destroy_async()
        self._session.destroy()