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kjaquier/gotcha

Created November 2, 2013 22:33
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Python gotcha.
Raw
gotcha
>>> def test(a=0,b="salut",c=[],d=[]):
... a += 1
... b += "!"
... c += [2]
... d = d + [42]
... print a, b, c, d
...
>>> test()
1 salut! [2] [42]
>>> test()
1 salut! [2, 2] [42]
>>> test()
1 salut! [2, 2, 2] [42]
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