编程语言排名： https://www.tiobe.com/tiobe-index/ 2021 开发者生态系统现状 https://www.jetbrains.com/zh-cn/lp/devecosystem-2021/ [https://www.jianshu.com/p/54e2aeca013b](https://www.jianshu.com/p/54e2aeca013b)