[Tutor] Persistent values in functions

[Andrei Kulakov]

On Tue, May 21, 2002 at 10:58:59PM -0700, Seiji Funai wrote:
> I'd like to know if Python supports persistent values
> in functions:  a variable type that saves its value
> when the function returns, and gives the value when
> the function is called again.  I seem to recall that
> you can do this in C.  Please provide syntax and
> perhaps a simple example.  
> 
> Thanks!
>
There isn't anything exactly like that afaik, but you can use
global vars or instances:

>>> a = 1
>>> def A():
...  global a
...  a += 1
...  print a
... 
>>> A()
2
>>> A()
3

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