项目要求: 在TV系统里,假设一个模拟频道由以下三个属性组成(频点、频道号、是否可见),请维护一个100以内的频道列表,可用实现简单的节目编辑: 1, 频道交换; 2, 从频道列表中删除、恢复某些频道。
实现功能: 1.完整实现上述所有功能 2.实现返回、撤销、历史记录功能
在终端上模拟一个频道列表,实现频道列表的基本操作。
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