What about REBOL (www.rebol.com)

[Tim Peters]

[posted & mailed]

[Tim]
> ... (despite that it *looks* nothing like Lisp, a REBOL
> "block" is a lexical closure, and the semantics are
> virtually identical to Scheme's)

[Joe Marshall]
> REBOL abandoned lexical closures in version 2.0, so the
> semantics have become quite different from Scheme's.

I eagerly yield to Joe on all matters REBOL -- he was the primary
implementer of the version I used most.  So, Joe, should the original
questioner learn Python or REBOL?

c.l.py-is-a-low-pressure-group<wink>-ly y'rs  - tim