Yes, it's a wart. You learn the patterns he mentions pretty quickly. | Hacker News

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		spenrose on Feb 20, 2011 \| parent \| context \| favorite \| on: Python's Mutable Default Problem Yes, it's a wart. You learn the patterns he mentions pretty quickly.

code_duck on Feb 20, 2011 [–]

I knew the pattern well from other languages, but would have assumed that it wasn't necessary in Python. So, this is good to note.

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