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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 remove_router_from_hosting_device(self, client, hosting_device_id, router_id):
 """Remove a router from hosting_device."""

        res_path = hostingdevice.HostingDevice.resource_path
        return client.delete((res_path + DEVICE_L3_ROUTERS + "/%s") % (
            hosting_device_id, router_id))