Variable scope in nested functions
Prahallad Achar
acharbly at gmail.com
Mon Jan 29 22:02:43 EST 2018
Thanks Chris,
Without using nonlocal any other options available?
On 30 Jan 2018 8:30 am, "Chris Angelico" <rosuav at gmail.com> wrote:
> On Tue, Jan 30, 2018 at 1:48 PM, Prahallad Achar <acharbly at gmail.com>
> wrote:
> > def a() :
> > Print (value)
> > def b() :
> > Value = 100
> > Return b
> >
> > Its a nested function. How can I use variable value just one function
> > above the parent function.
> > This is possible in tcl.. Is it possible in Python too?
>
> It is. What you have is a "nonlocal" variable. You will need to assign
> to the variable in the outer function though.
>
> def a():
> value = None
> def b():
> nonlocal value
> value = 100
> return b
>
> You can do this through any number of levels of nested functions.
>
> ChrisA
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