[Python Challenge通关]第2关

第 2 关 挑战地址，点我 问题 recognize the characters. maybe they are in the book, but MAYBE they are in the page source. 分析 根据提示我们需要右键查看页面源码，我们可以看到有一段提示，和一堆字符： <!-- find rare characters in the mess below: --> <

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