数据类型??：
2016-08-07
tuple 元组的单层深度不可变性质
>>>T = (1, [2,3], 4) >>>T[1] = ‘something‘ # Error >>>T[1][0] = ‘somehting‘ # Works!
>>>T = (1, [2,3], 4)
>>>T[1] = ‘something‘ # Error
>>>T[1][0] = ‘somehting‘ # Works!
Python 一些总结和比较
原文：http://www.cnblogs.com/learn-to-rock/p/5747728.html
