测试场景：给出一个 200 行的混乱 Python 爬虫脚本，要求重构为面向对象结构，并输出 Mermaid 类图。
The major difference from a classic container image is that the image used by Bootc contains a complete system, including the Linux kernel, libraries, system tools, and applications.
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Guardian Newsroom: Can Labour come back from the brink?
Oct 11 15:56:05 fedora systemd[1]: bootc-fetch-apply-updates.service: Failed with result 'exit-code'.