Strange behavior related to value / reference
Aahz
aahz at pythoncraft.com
Fri Oct 30 16:32:29 EDT 2009
In article <626f24e5-4d8e-416c-b3ed-dc56a88dc35b at s21g2000prm.googlegroups.com>,
Lambda <stephenhsu9 at gmail.com> wrote:
>
>def matrix_power(m, n):
> result = m[:]
> print result is m
Use copy.deepcopy()
--
Aahz (aahz at pythoncraft.com) <*> http://www.pythoncraft.com/
"You could make Eskimos emigrate to the Sahara by vigorously arguing --
at hundreds of screens' length -- for the wonder, beauty, and utility of
snow." --PNH to rb in r.a.sf.f
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