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From: Jesper Harder <harder@myrealbox.com>
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Subject: Re: list conversion
Date: Tue, 06 May 2003 22:09:01 +0200
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zghuang@bloomberg.net (Z. Huang) writes:

> Given a list ("first" "second" "third"). I'd to convert it to a 
> a new list: 
>    (("" . "first")
>     ("" . "second")
>     ("" . "third"))	
>
> The following lisp code was intended for this purpose, but not working. It
> looks that I missed some very basic stuff (I rarely code in lisp). Can
> anyone point out what is wrong? Thanks in advance. 

You could do it like this:

(defun list-conversion (list)
  (mapcar (lambda (x) (cons "" x)) list))