[BangPypers] Enclosing lexical context

[Anand Balachandran Pillai]

On Thu, Apr 15, 2010 at 10:36 PM, Picachu Nioto <picachu.nioto at gmail.com>wrote:

> Could some one explain to me this sentence, I read in an example online
>
> "Python doesn't implement assignment of variables bound in an enclosing
> lexical context"
>
>>> a=[10]
>>> def f(x):
...     a[0]=x
...     print a
...
>>> f(2)
[2]
>>> print a
[2]

In this case, the outer a is accessed automatically since we are using
indices and there is no  local list "a", Python finds the scope from
the global scope and assigns correctly.


> Example,
> a=[b]
>
>
Looking at your code above, perhaps the 2nd explanation
makes it clear.


> --Picachu
> _______________________________________________
> BangPypers mailing list
> BangPypers at python.org
> http://mail.python.org/mailman/listinfo/bangpypers
>



-- 
--Anand