This combining of data and functions on that data is a very essence of object-oriented programming That's really what defines it.
数据与函数的结合,是面向对象编程的核心,这也就是它的定义。
Now these ideas of classes, object-oriented programming, data abstraction, are about 40 years old, they're not new ideas.
面向对象编程的概念,数据抽象的概念,都是40年前就有的老东西了。
A cohort study means you take the same group of people and follow them every five years for that period of time.
定群研究意味着你只有一组研究对象,然后在研究期间每五年进行一次记录数据
An object is a collection of data and functions.
对象就是数据和函数的集合。
I'm going to say, gee, p2 is the x value the same in both of them, and if it is, and the y value's the same, then this is the same point, I'm going to return true.
这样的数据对象,我会把它们命名为p1和,我会去查看,看看两个对象中,的x值是不是相同,如果相同的话,就去查看y值是否相同。
Associated with every data type in Python is a type, which identifies the kind of thing it is.
在Python中每种类型都对应着一种数据类型,类型确定了对象的种类。
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