Question: select a part of a list

hey there, i have a simple question: lets say i have a list like:

list:=[[1,1],[2,4],[4,8],[5,7],[8,1],[5,3],[4,2]]

for some reason i only need the elements of this list from [4,8] to [5,3]. how do i

select these parts from my original list? (and i dont want to create the new list

by saying: take element 3..6 from list). thanks and cheers

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