part 1：使用方法：
1.pip install somePackage
picture 1
2.pip show somePackage
例如：pip show pip
弹出关于该模块的信息
picture 2：
3.pip list
list 已经安装的模块
4.pip install –upgrade somePackage
例如：pip install –upgrade pyperclip
5.pip uninstall somePackage
例如：pip uninstall pyperclip
会问你：y/n
参考：pip docs:https://pip.pypa.io/en/stable/quickstart/
使用心得：宿舍网速比较差，安装容易失败
办公室网速比较好，安装均成功
可能原因：网速，配置，shadowsocks的节点，使用的是.81的节点
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另外一种方法：（不推荐）
1.从pypi上下载python的第三方模块安装包（压缩文件）2.解压3.windows shell —>cmd–>cd: C:\users\sxhui101\requests-2.11.1 # setup.py的放置的地方4.输入：python setup.py install5.ok
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part 2:使用python镜像源加速第三方库在线安装（推荐）
例如：pip install pandas -i https://pypi.douban.com/simple
参考：http://www.cnblogs.com/yudar/p/4444097.html
