min, max with position

[dn]

On 05/06/2022 06.56, Dennis Lee Bieber wrote:
> On Sat, 4 Jun 2022 13:36:26 -0500, "Michael F. Stemper"
> <michael.stemper at gmail.com> declaimed the following:
> 
>>
>> Are there similar functions that return not only the minimum
>> or maximum value, but also its position?
>>
> 	If it isn't in the library reference manual, NO...
> 
> 	But it also isn't that difficult to write...
> 
>>>> def whatAt(function, data):
> ... 	what = function(data)
> ... 	at = data.index(what)
> ... 	return (at, what)
> ... 
>>>> l = [	1.618033,	3.1415923536,	2.718282	]
>>>> whatAt(min, l)
> (0, 1.618033)
>>>> whatAt(max, l)
> (1, 3.1415923536)
>>>>
> 
> (properly, I should either reverse the order of the return value, or change
> the name to atWhat() )

...and remembering the special case:
if the what value appears more than once in the list, the where?at will
report the first/'left-most' index only.

-- 
Regards,
=dn