python交流网站:http://2goo.info
pygame源码:http://eyehere.net/2011/python-pygame-novice-professional-index/
pygame课件:http://cs.iupui.edu/~aharris/pygame/
lxml下载路径:http://pypi.python.org/pypi/lxml/2.3.4#downloads
http://pypi.python.org/simple/lxml/
python官网:http://www.python.org/