Name valid outside function, but error name inside function

[Peter Schneider-Kamp]

"Fernando Rodríguez" wrote:
> 
> This raises a name error:
> def func2():
>     A = A + 'hi'    # this line causes the error
>     print A

If you are trying to change the global variable A, you have
to declare it global:

def func2():
    global A
    A = A + 'hi'
    print A

If you want to just reference A, use another variable name:

def func2():
    B = A + 'hi'
    print B

For more information on this consult the following FAQs:

http://www.faqts.com/knowledge-base/view.phtml/aid/4722/fid/241
http://www.faqts.com/knowledge-base/view.phtml/aid/2902/fid/241

Hope that helps,
Peter
--
Peter Schneider-Kamp          ++47-7388-7331
Herman Krags veg 51-11        mailto:peter at schneider-kamp.de
N-7050 Trondheim              http://schneider-kamp.de