code: def suspend(self, instance_id):
          '''
          Suspend a server
          '''
          nt_ks = self.compute_conn
          response = nt_ks.servers.suspend(instance_id)
          return Truf suspend(self, instance_id):
          '''
          Suspend a server
          '''
          nt_ks = self.compute_conn
          response = nt_ks.servers.suspend(instance_id)
          return True
docs: Suspend a server