iterations destroy reversed() results

[Thomas Passin]

On 9/1/2023 12:15 PM, Pierre Fortin via Python-list wrote:
> Hi,
> 
> reversed() results are fine until iterated over, after which the
> results are no longer available. This was discovered after using
> something like this:
> 
> rev = reversed( sorted( list ) )
> sr = sum( 1 for _ in rev )
> # rev is now destroyed
> 
> So reversed() results can only be iterated once unlike sorted(), etc...

reversed() is an iterator these days:

 >>> l1 = [1, 2, 3]
 >>> rev = reversed( sorted( l1 ) )
 >>> type(rev)
<class 'list_reverseiterator'>
 >