let nums = [2, 3, 5, 7, 11]

//Encoding Binary Data
let encoder = PropertyListEncoder()
encoder.outputFormat = .binary
let data_b = try! encoder.encode(nums)

//Decoding Binary Data
let decoder = PropertyListDecoder()
let nums2 = try! decoder.decode(
    [Int].self, from: data_b)
//nums2 is [2, 3, 5, 7, 11]
print("nums2 is \(nums2)")