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Reverse
Reverses the order of elements in a list.
Syntax: | x; |[x]
o)| 1 2 3
3 2 1
o)a:(1 2 3;4 5;enlist 6)
1 2 3
4 5
,6
o)|a
,6
4 5
1 2 3
o)|a 1
5 4
o)|'a
3 2 1
5 4
,6
o)