Or another way of thinking about it, is remember I said when I call that class definition it creates an instance, that's a pointer to some spot in memory that's got some local information around it.

也就是一个指向，内存中某处的指针,这个地方存有一些,这个实例的信息，浅意义的相等也就是说,看看这两个东西是不是。

麻省理工公开课 - 计算机科学及编程导论课程节选