Python 3.8 and :=

[Jeff Gitlin]

On Wednesday, December 25, 2019 at 9:22:56 AM UTC-5, Chris Angelico wrote:
> On Thu, Dec 26, 2019 at 1:16 AM Jeff Gitlin <jeff.gitlin at gmail.com> wrote:
> >
> > With the new operator := in Python 3.8
> > that allows you to do things like
> >
> > if ( x := f() ) == 1:
> >
> > Is there any reason to use just the assignment operator?
> 
> I don't understand the question. Are you asking why the normal "="
> operator should be used? For starters, "=" is far more flexible than
> ":=" in terms of what it can assign to.
> 
> ChrisA

Chris,
Can you give me a few examples of what you can do with  = and not do with the new :=    ?
Thanks
    Jeff