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mindflayer/gist:6648751

Created September 21, 2013 09:00
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Compile time dictionary
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gistfile1.py
>>> def a(b, c={}):
... c[b] = b
... print c
...
>>> a('prova')
{'prova': 'prova'}
>>> a('gatto')
{'prova': 'prova', 'gatto': 'gatto'}
>>> a('mela')
{'prova': 'prova', 'mela': 'mela', 'gatto': 'gatto'}
@dhirajt
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dhirajt commented Sep 21, 2013

http://effbot.org/zone/default-values.htm
http://stackoverflow.com/questions/1132941/least-astonishment-in-python-the-mutable-default-argument

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