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From: "Elias Fotinis" <efotinis@yahoo.com>
Subject: Re: Python and Lisp : car and cdr
Date: Sun, 19 Jun 2011 16:24:37 +0300
References: <franck-58760D.16453817062011@news.free.fr> <4dfd90de$1@dnews.tpgi.com.au> <4DFDF1FB.3050907@stoneleaf.us>
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On Sun, 19 Jun 2011 15:56:27 +0300, Ethan Furman <ethan@stoneleaf.us> wrote:

> Lie Ryan wrote:
>
>> def length(L):
>>     if not L: return 0
>>     return 1 + length(cdr(L))
>
> How is this different from regular ol' 'len' ?

It's better, because len() can't overflow the stack. ;)