Minor nitpick: Lisp is not a purely functional language. It's a multi-paradigm language. You could, of course, program in a more functional style in Lisp (and

Minor nitpick: Lisp is not a purely functional language. It's a multi-paradigm language. You could, of course, program in a more functional style in Lisp (and that style is encouraged more in some Lisps than others), but you're not forced to.