var arr1 [3]int                                           //ARRAY syntax#1
    arr2 := [2]string{"Hello", "World"}                       //ARRAY syntax#2 (composite literal)(identifier:= type{values})
    arr3 := [...]int{12, 13, 14, 15, 16}                      //ARRAY syntax#3
    arr4 := [5][2]int{{0, 0}, {1, 2}, {2, 4}, {3, 6}, {4, 8}} //ARRAY syntax#4
    var arr5 [4][3]int                      //ARRAY syntax#4.1
    arr5[0] = [3]int{1, 2, 3}
    arr5[1] = [3]int{4, 5, 6}
    arr5[2] = [3]int{7, 8, 9}

    fmt.Println(arr1, arr2, arr3, arr4, arr5)