func userArrTest(userArr: Array<String>) -> Array<User>{
    var newArr = [User]()
    for user in userArr{
        var instance = user.components(separatedBy: ",")
        let age = Int(instance[1])
        newArr.append(User.init(name: instance[0], age: age ?? 28, gender: instance[2]))
    }
return newArr
}
let testArr = userArrTest(userArr: usersData)
for element in testArr{
    print(element.name)
    print(element.age)
    print(element.gender)
}