[Python-Dev] Product function patch [issue 1093] (original) (raw)

Guido van Rossum guido at python.org
Mon Sep 3 16:37:59 CEST 2007

Actually, if you use Google code search, you'll find that multiplying the numbers in a list doesn't have much use at all. After summing numbers, joining strings is by far the most common usage -- which is much better done with the str.join() method.

(PS. I rejected the issue; product() was proposed and rejected when sum() was originally proposed and accepted, and I don't see anything to change my mind.)

On 9/3/07, skip at pobox.com <skip at pobox.com> wrote:

>> At one time Guido mentioned adding a built-in product() function to >> cover some of the remaining use cases of the built-in reduce(). Martin> What is the use case for product()? As I recall, there were basically two uses of reduce(), to sum a series or (less frequently) to take the product of a series. sum() obviously takes care of the first use case. product() would take care of the second. Skip

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-- --Guido van Rossum (home page: http://www.python.org/~guido/)

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