从第一次接触python的面向对象编程时起就很看不惯它的self，简直反人类。
相关资源：
What is the purpose of self in Python?
http://stackoverflow.com/questions/2709821/what-is-the-purpose-of-self-in-python
http://www.douban.com/group/topic/19376685/
过两天整理
原文：http://www.cnblogs.com/plwang1990/p/4265902.html