[ Sau ] daim-ntawv-theej

var a := Sau ← 1 ; 2 ; 3.
var b := a daim-ntawv-theej.
b muab: 999 rau: 1.
Stdout sau-ntawv: a, tsum.
Stdout sau-ntawv: b, tsum.
Sau ← 1 ; 2 ; 3
Sau ← 999 ; 2 ; 3