A lisp interpreter written in python.
I used https://github.com/keithgabryelski/plisp/blob/master/lispbook.pdf as a guide.
example run:
laptop$ python plisp.py
PLisp v1.0:release [7 July 2012] by Keith Gabryelski <keith@gabryelski.com>
(+ 1 1)
2
(apply + '(1 2))
3