Python有两个著名的包管理工具easy_install.py和pip.在Python2.7的安装包中,easy_install.py是默认安装的,而pip需要我们手动安装. pip可以运行在Unix/Linux, OS X, and Windows平台上,支持CPython versions 2.6, 2.7, 3.1, 3.2, 3.3, 3.4 and also pypy. [Download] 下载pip的安装包get-pip.py,下载地址:https://pip.pypa.io/e