var
只要您通过instance.var
或访问,绝对不应共享self.var
。但是,对于列表,您的语句要做的是在评估该类时,将创建一个列表实例并将其绑定到该类dict,因此所有实例将具有相同的列表。每当您设置instance.list = somethingelse
响应时。self.list = somethingelse
,它应该获得实例级别的值。
时间示例:
>>> class A():
... var = 0
... list = []
...
>>> a = A()
>>> b = A()
>>> a.var
0
>>> a.list
[]
>>> b.var
0
>>> b.list
[]
>>> a.var = 1
>>> b.var
0
>>> a.list.append('hello')
>>> b.list
['hello']
>>> b.list = ['newlist']
>>> a.list
['hello']
>>> b.list
['newlist']