newbie question on Python tutorial example in section 4.7.1(default arg values)

[Porky Pig Jr]

Scott David Daniels <Scott.Daniels at Acm.Org> wrote in message 
> If you can explain the output of the four print statements and are
> still confused, my explanation is not on point.
> 
> -Scott David Daniels
> Scott.Daniels at Acm.Org


Thanks for all the feedback, I'll study this (and other) example.