But when you pass a parameter say, a list, you didn't think that you were not only passing the list, you were also passing the functions that operate on the list. In fact you are.

你不会认为你输入的不仅仅是链表，你还传递了处理链表的函数,实际上你正是这么做的,这往往不重要。

麻省理工公开课 - 计算机科学及编程导论课程节选

When you think about an int or a float or a dictionary or a list, you knew that there were functions that operated on them.

当你想到整型，浮点型，或者链表时,你知道可以用函数去处理他们,但是当你传递一个参数，例如链表。

麻省理工公开课 - 计算机科学及编程导论课程节选