Python
float("inf")
// delete an element in list
A = ["a","b"]
Del A[0]
A.remove("a")
// python timeit module
http://woodpecker.org.cn/diveintopython/performance_tuning/timeit.html
http://www.cnblogs.com/moinmoin/archive/2011/03/18/python-runtime-measuring.html
Python sort
python的排序函数sort,sorted在列表排序和字典排序中的应用详解和举例
http://wangwei007.blog.51cto.com/68019/1100742
http://gaopenghigh.iteye.com/blog/1483864
Min
Enumerate() 在循环中得到计数
http://www.pythonclub.org/python-basic/built-in
http://www.cnblogs.com/vivilisa/archive/2009/03/19/1417083.html
Python 关于‘inf’,sort(),sorted(),min()的一些用法
原文：http://www.cnblogs.com/lvye-song/p/4029691.html