S.headers["User-Agent"] = random.choice(UA)
But of course, like any immutable system, there are mutable parts (otherwise, we couldn’t create any configuration files). OSTree handles this with “overlays” (actually, we use OverlayFS) that allow a read-write filesystem to be layered on top of the immutable system. For example, the /etc and /var directories are writable, while the rest of the system is read-only.，推荐阅读一键获取谷歌浏览器下载获取更多信息
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实现社会主义现代化是一个阶梯式递进、不断发展进步的历史过程，需要不懈努力、接续奋斗。
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