4.swift

var str = "Hello, playground"

struct Language : Codable {
    var name: String
    var versions: Int
}

let swift = Language(name: "Swift", versions: 4)
let php = Language(name: "PHP", versions: 7)
let perl = Language(name: "Perl", versions: 6)

let encoder = JSONEncoder()

if let encoded = try? encoder.encode(swift) {
    if let json = String(data: encoded, encoding: .utf8){
        print(json)
    }
    
    let decoder = JSONDecoder()
    if let decoded = try? decoder.decode(Language.self, from: encoded){
        print(decoded.name)
    }
}


let longString = """
test, you know
That's what I'm talking about
"""