Python Static Class attributes

2018-06-28 04:39:52

This question already has an answer here:

Are static class variables possible? 16 answers

为了让你的代码像你想要的那样工作，使用myClass.__a来访问变量，而不是self.__a 。

def increase_A(self):
    myClass.__a += 1
    return

def get_A(self):
    return myClass.__a

They start off as the same variable. However, when you do

self.__a += 1

this rebinds the object's __a to a new object whose value is 1 .

It does not change any other object's __a so the code will print out 0 .

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