python :http://blog.csdn.net/databatman/article/details/49453953
C/C++:http://blog.csdn.net/shanshangyouzhiyangm/article/details/51360847
python :http://blog.csdn.net/databatman/article/details/49453953
C/C++:http://blog.csdn.net/shanshangyouzhiyangm/article/details/51360847