有小伙伴给我发了招聘截图：某AI创业公司招大模型应用工程师，要求“熟练掌握Python，有LangChain/LlamaIndex经验”，薪资比他现在的Java岗位高出一截。 有人说“Java已死，赶紧转Python”，有人说“语言只是工具，转什么转”，还有人翻出了当年“Java程序员要不要转Go”的老帖子。 我问他：“你说的‘转’，是想换一门语言，还是想换一个赛道？” 他想了半天：“好像都有点。

随着2026年的到来，Python社区迎来了一个重要的里程碑——Python 3.15正式版即将发布。这一版本不仅带来了许多令人期待的新特性，还特别针对当前的AI开发需求进行了优化。以下是Python 3.15中值得关注的一些新功能，它们或将彻底改变你在AI时代的编程方式。 懒加载：提升启动性能与内存管理 PEP810引入了一个新的软关键字lazy，允许开发者在模块导入时使用惰性加载。这意味着，只 ...

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