大家好，欢迎来到 Crossin 的编程教室。Python 的第三方库极其丰富，但依赖版本问题也常常让新手抓狂。比如说，你之前写了一个网站，使用的是 Django 3.2 版本。过了半年你要开发新项目，此时 Django 已经升级到了最新版。如果你直接更新库，旧网站的代码可能就直接报错无法运行了。又或者，你安装了模块 A ...

As a staff writer for Forbes Advisor, SMB, Kristy helps small business owners find the tools they need to keep their businesses running. She uses the experience of managing her own writing and editing ...