创建页面，内容为“pyenv lets you easily switch between multiple versions of Python. It's simple, unobtrusive, and follows the UNIX tradition of single-purpose tools that do one thing well. Python 版本管理工具，通过它来切换使用不同版本的 Python，类似于 nvm。 https://github.com/pyenv/pyenv 分类:开源项目”
