total idiot question: +=, .=, etc...

[Greg Ewing]

Bernhard Herzog wrote:
> 
>         .last = .lines[-1]
>         .lines = .lines[:-1]

Hey, I've just had an idea: allow an *empty*
name as an identifier. Then we could write:

  class C:
    def foo(,x,y):
      .z = .z + x * y

and kill two birds with one syntax change!

Greg