[issue1443] Magic class member variable initialization with lists

[neoone]

New submission from neoone:

Initialization of member variables with lists leads to strange 
behavior.

The list object is common to each instance of that class.

File attached results in:
[] [] <__main__.Proof instance at 0x00BA7120>
['STICKYARRAY'] [] <__main__.Proof instance at 0x00BA7148>

So the initialized list a is the same in both instances.
Behaviour has been tested on 2.3 and 2.5

----------
components: Interpreter Core
files: test.py
messages: 57500
nosy: neoone
severity: normal
status: open
title: Magic class member variable initialization with lists
type: behavior
versions: Python 2.5
Added file: http://bugs.python.org/file8745/test.py

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<http://bugs.python.org/issue1443>
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