Modern Python developers use virtual environments (venvs), to keep their projects and dependencies separate. Managing project dependencies gets more complex as the number of dependencies grows.

大家好，欢迎来到 Crossin 的编程教室~PyPI 全称是 Python Package Index（Python 软件包索引）。你可以把它理解为 Python 的官方“应用商店”。每当你通过 pip install 命令安装 Python ...