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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 destroy(self):
 """ Destroy this prefix, running any cleanups and removing any files inside it. """


        subnets = (
            str(net.gw()) for net in self.virt_env.get_nets().itervalues()
        )

        self._subnet_store.release(subnets)
        self.cleanup()
        shutil.rmtree(self.paths.prefix_path())