An object in the solar system could be identified if it appeared to move from its place in the earlier photograph.

VOA: special.2010.07.11

So in fact what happens inside of an object-oriented system, and particularly in init Python's object-oriented system, is the following.

面向对象系统的内部,尤其是在Python的面向，对象系统的内部的过程,就是如下的，当我们调用，它会去创建一个实例。

麻省理工公开课 - 计算机科学及编程导论课程节选