And then I say, oh you know I've used lists all over this program. I'll bet this isn't the only place where I've made this mistake.

变化引起的边缘效应，然后我的意思是,你知道的我在这个程序中一直都在用数组,我敢打赌我犯了这种错不止一次。

麻省理工公开课 - 计算机科学及编程导论课程节选