Optional parameter object re-used when instantiating multiple objects

[Steven D'Aprano]

On Wed, 19 Nov 2008 10:05:23 -0800, Dennis Lee Bieber wrote:

> Do you really want a "default" argument that changes value depending
> upon actions performed in the /surrounding/ scope?

And if you do, it is easy to get:

default_y = "something"

def parrot(x, y=None):
    if y is None:
        y = default_y


-- 
Steven