print([]);
print([1, 2, 3]);
print([1, '2', 3]);
print([1, [2, 3], 4]);
print([1, [2, [3, 4]], 5]);

let a := [1, 2, 3];
print(a[1]);
print([1, 2, 3][1]);
print([1, [2, [3, 4]], 5][1][1][1]);
print([1, [2, [3, 4]], 5][1][1][1] + 1);
print([1, [2, [3, 4]], 5].1.1.1);