// Test spread operator in arrays
let a = [1, 2, 3];
let b = [0, ...a, 4];
print("Spread in array:");
print(b); // [0, 1, 2, 3, 4]
let c = [...a, ...a];
print("Double spread:");
print(c); // [1, 2, 3, 1, 2, 3]
let nums1 = [1, 2];
let nums2 = [3, 4];
let nums3 = [...nums1, ...nums2];
print("Combined spreads:");
print(nums3); // [1, 2, 3, 4]
print("Spread operator tests passed!");