M B <zna...@telia.com> writes:

> Hi, 
>>>> dept=0
>>>> def mud():
>       print dept
>
>       
>>>> mud()
> 0
>>>> def mud():
>       dept+=1
>       print dept

You should add a global statement or else python thinks a variable used
is a local:

>>> def mud():
    global dept
        dept+=1
        print dept

--
Burton Samograd

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