self First argument by convention is always self, because it has to point to the instance, and then I pass, in this case, another couple of arguments in.

第一个参数往往是，因为它必须指向实例，然后我传入了，在这个例子中。

麻省理工公开课 - 计算机科学及编程导论课程节选

What he means, for instance, in this case is well, talking to yourself is self-reinforcing or giving bad news to an enemy is reinforcing because it makes your enemy feel bad.

比如在这个例子中，他的意思其实是，自言自语是种自我强化行为,而向敌人散布坏消息也是一种强化,因为这样做可以使敌人感到不快。

耶鲁公开课 - 心理学导论课程节选

If I want to get values back out, p I could in fact simply send to that instance a message, in this case I could say p dot x.

我就是，我刚刚在这里输入的，我得到了一个c，point的实例,如果我想把值取出来，实际上我可以。

麻省理工公开课 - 计算机科学及编程导论课程节选