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From: "B. Pym" <Nobody447095@here-nor-there.org>
Newsgroups: rec.puzzles,comp.lang.lisp,comp.lang.python
Subject: Re: Add the numbers in a 9x9 multiplication Table
Date: Fri, 6 Jun 2025 00:13:20 -0000 (UTC)
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References: <0b09b939cdbbe465809a7ec27e30912a@www.novabbs.com> <20250101214422.224@kylheku.com>
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Kaz Kylheku wrote:

> 1> (sum-each ((i 1..10) (j 1..10)) (* i j))
> 285
> 2> (sum-each-prod ((i 1..10) (j 1..10)) (* i j))
> 2025

Gauche Scheme

(use srfi-42)

(sum-ec (: i 10) (: j 10) (* i j))
  ===>
2025