Marc Leconte schrieb:

Dear all,

I have a problem with the following code (ubuntu 8.04, Python 2.5.2):

class Toto(object):
        def __init__(self, number, mylist=[]):
                self.number=number
                self.mylist=mylist
                pass
        pass

listA=Toto(number=1)
listB=Toto(number=2)

listA.mylist.append(5)
print "1) ", listA.mylist
print "2) ", listB.mylist

1) [5]
2) [5]

I would have expected
1) [5]
2) []

http://effbot.org/zone/default-values.htm

Diez
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