(let  [ [x y] (map list [1 2] [3 4])]  (prn x) (prn y))
(1 3)
(2 4)
nil

(doseq [ [x y] (map list [1 2] [3 4])] (prn x y))
1 3
2 4
nil

1 2
3 4
nil

(map list [1 2] [3 4])

((1 3) (2 4))

(let [[x y] (map list [1 2] [3 4])]  (prn x) (prn y))

(let [[x y] [[1 3] [2 4]]] (prn x) (prn y))

(let [[x y] [[1 3] [2 4]]] (prn [x y]))

(let [z [[1 3] [2 4]]] (prn z))

; [[1 3] [2 4]]
; nil

(doseq [ [x y] (map list [1 2] [3 4])] (prn x y))

(doseq [z [[1 3] [2 4]]] (prn z))

[1 3]
[2 4]
nil