安装卸载selenium

安装：

 C:\Users\xiongjiawei>pip install selenium==2.48.0
 Collecting selenium==2.48.0
   Retrying (Retry(total=4, connect=None, read=None, redirect=None)) after connection broken by 'ReadTimeoutError("HTTPSConnectionPool(host='pypi.python.org', port=443): Read timed out. (read timeout=15)",)': /simple/selenium/
   Retrying (Retry(total=3, connect=None, read=None, redirect=None)) after connection broken by 'ReadTimeoutError("HTTPSConnectionPool(host='pypi.python.org', port=443): Read timed out. (read timeout=15)",)': /simple/selenium/
   Downloading selenium-2.48.0.tar.gz (805kB)
     100% |████████████████████████████████| 806kB 37kB/s
 Installing collected packages: selenium
   Running setup.py install for selenium
 Successfully installed selenium-2.48.0

 C:\Users\xiongjiawei>

安装成功后在此路径查看：D:\Program Files\Python 3.5\Lib\site-packages

安装或升级：pip install -U selenium

卸载：

pip uninstall selenium

查看版本号：pip show selenium

浏览器驱动下载：http://www.seleniumhq.org/download/