[racket] Question

What's the difference between this and (reverse LS) ?

Ashley Fowler <afowler2 at broncos.uncfsu.edu> writes:
> Can anybody help me with this problem? I have an idea but would like some suggestions on how to start. The problem is below...
>
>
> Write a procedure (switch-one-and-three1 LS) that takes a list of
> exactly three items as its argument and returns the list with the first
> and third items switched around. You may assume the input list contains
> exactly three items
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