Bug in __init__?

cokofreedom at gmail.com cokofreedom at gmail.com
Mon Jan 21 08:59:38 CET 2008

Is there no way of adding a possible warning message (that obviously
could be turned off) to warn users of possible problems linked to
using mutable types as parameters?

Seems to me this could save users a few minutes/hours of headaches and
headscratching. (The biggest issue affecting new programmers these

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