scope of variable

[Chris Rebert]

On Fri, Aug 20, 2010 at 11:09 AM, M B <znarus at telia.com> wrote:
> Hi,
> I try to learn python.
> I don't understand this:
<snip>
>>>> dept=0
<snip>
>>>> def mud():
>        dept+=1
>        print dept
>
>>>> mud()
> Traceback (most recent call last):
>  File "<pyshell#7>", line 1, in <module>
>    mud()
>  File "<pyshell#6>", line 2, in mud
>    dept+=1
> UnboundLocalError: local variable 'dept' referenced before assignment

http://www.mail-archive.com/python-list@python.org/msg75263.html

Cheers,
Chris
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