Python and object/class attrs - what's going on?
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by digitala
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Published on 2010-06-15T12:49:45Z
Indexed on
2010/06/15
12:52 UTC
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python
Can someone explain why Python does the following?
>>> class Foo(object):
... bar = []
...
>>> a = Foo()
>>> b = Foo()
>>> a.bar.append(1)
>>> b.bar
[1]
>>> a.bar = 1
>>> a.bar
1
>>> b.bar
[1]
>>> a.bar = []
>>> a.bar
[]
>>> b.bar
[1]
>>> del a.bar
>>> a.bar
[1]
It's rather confusing!
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