Den lördag 11 april 2015 kl. 17:26:03 UTC+2 skrev Steven D'Aprano:
> On Sun, 12 Apr 2015 01:00 am, jonas.thornv...@gmail.com wrote:
>
> > If two functions crossreference eachother back and forth what happen with
> > the local variables.
>
> Nothing. They are local to the function that creates them.
>
>
> > Will there be a new instance of function holding the variables or do they
> > get messed up?
>
> No to both of those. You have two functions, each with it's own locals.
>
>
> def spam():
> colour = "red"
> print("Inside spam: colour is:", colour)
> eggs()
> print("Inside spam after calling eggs: colour is:", colour)
> eggs()
>
>
> def eggs():
> colour = "yellow"
> print("Inside eggs: colour is:", colour)
>
>
> Calling spam() gives you this output:
>
> py> spam()
> Inside spam: colour is: red
> Inside eggs: colour is: yellow
> Inside spam after calling eggs: colour is: red
> Inside eggs: colour is: yellow
>
>
> Even if the functions call each other (mutual recursion) each function's
> local variables remain local.
>
>
>
> --
> Steven
I don't think it matter butt eggs also calls spam, once more.
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