raise AssertionError("unreachable")
Фото: Orhan Qereman / Reuters，这一点在快连下载安装中也有详细论述
，推荐阅读heLLoword翻译官方下载获取更多信息
The IRQ handler has a lot of tasks, but we can check them in sequence and coalesce the similar versions. Our first step in all cases is simply to acknowledge the interrupt:
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