Cycle elements of a list

Cycle the first element of a list to the end of the list.
Optionally repet recursively.

Usage:
my_list=shuffle([1,2,3,4,5,6,7,8]);

function shuffle(list,l=1)=

let(c=concat( [for(i=[1:len(list)-1])list[i]],[list[0]]))
l>0?

 shuffle(c,l-1)

 :c
;