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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 terminate(self, instances, count=0):
 """Terminate each provided running or stopped instance. :param count: :param instances: A list of instances. :type instances: list """

        if not instances:
            return
        if count > 0:
            instances = self._scale_down(instances, count)
        self.ec2.terminate_instances([i.id for i in instances])