Why is Python popular, while Lisp and Scheme aren't?

[Anders J. Munch]

"Pascal Costanza" <costanza at web.de> wrote:
> Michael Hudson wrote:
>
> > Did you know that s-exps (i.e. the paren heavy Lisp we know today) was
> > intended to be a temporary syntax, and that John McCarthy intended to
> > develop a more familiar syntax for Lisp?  Somehow he never did --
> > maybe because it turned out to be a bad idea?
>
> He did. But the programmers who were already using Lisp didn't accept
> the new syntax. They preferred s-exps.

I'm curious: what exactly did McCarthy's new syntax look like?  Have
you got any pointers to specs, examples or such on the web?

- Anders