Creates a copy of a list with the same contents. Note that if the list contains other lists, they will not be copied - for that you need DeepCopyList. See Copy vs Deep Copy for more info.

Split("1,2,3,4,5,6" ",") ->list 
<-list CopyList ->list2 
SetListElement(<-list2 0 "banana") 
Trace(<-list) 
Trace(<-lis2)