ENC: lambda question

[Alves, Carlos Alberto - Coelce]

See the error below:

>>> def exe1(f,list):
	return map(lambda x:eval(f),list)
SyntaxError: local name 'f' in 'exe1' shadows use of 'f' as global in nested
scope 'lambda' (<pyshell#7>, line 1)
>>> 


> -----Mensagem original-----
> De: Bertrand Geston [mailto:bergeston at yahoo.fr] 
> Enviada em: segunda-feira, 11 de março de 2002 14:46
> Para: python-list at python.org
> Assunto: Re: lambda question
> 
> 
> lambda questionBoth work on my computer:
> 
> PythonWin 2.2 (#28, Dec 21 2001, 12:21:22) [MSC 32 bit 
> (Intel)] on win32.
> Portions Copyright 1994-2001 Mark Hammond 
> (mhammond at skippinet.com.au) - see
> 'Help/About PythonWin' for further copyright information.
> >>> def exe1(f,list):
> ...  return map(lambda x:eval(f),list)
> ...
> >>> f='x**3+2*x'
> >>> list=[0,1,2,0]
> >>> map(lambda x:eval(f),list)
> [0, 3, 12, 0]
> >>> exe1(f,list)
> [0, 3, 12, 0]
> >>>
> 
> If you give us the kind of error, problem hou have, you will 
> help us to help
> you.
> TIA ;-)
> 
> "Alves, Carlos Alberto - Coelce" <calves at coelce.com.br> wrote 
> in message
> news:mailman.1015866267.21439.python-list at python.org...
> Hi all,
> Look at the two codes below
> first code:
>         f='x**3+2*x'
>         list=[0,1,2,0]
>         map(lambda x:eval(f),list)
> second code:
>         def exe1(f,list):
>                 return map(lambda x:eval(f),list)
> Can someone explain to me why the first code works while 
> second doesn't.
> Carlos Alberto
> COELCE/DPRON-Departamento de Projetos e Obras Norte
> Fone: 677- 2228
> e-mail: calves at coelce.com.br
> \|||/
> (o o)
> --ooo0-(_)-0ooo--
> 
> 
> -- 
> http://mail.python.org/mailman/listinfo/python-list
> 
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