private static void UpdateArtist()
        {
            Console.Write("Name: ");
            string name = Console.ReadLine();
            Console.Write("Country: ");
            string country = Console.ReadLine();
            Console.Write("Date of birth (yyyy-mm-dd): ");
            DateTime dateOfBirth = DateTime.ParseExact(Console.ReadLine(),
                "yyyy-mm-dd", CultureInfo.InvariantCulture);

            Artist updatedArtist = new Artist()
            {
                Name = name,
                Country = country,
                DateOfBirth = dateOfBirth
            };
            Console.Write("Id to update: ");
            int idForUpdate = int.Parse(Console.ReadLine());

            var putArtistResponse = jsonClient.PutAsJsonAsync("api/artists/" + idForUpdate, updatedArtist).Result;
            if (putArtistResponse.IsSuccessStatusCode)
            {
                Console.WriteLine("Artist updated!");
            }
            else
            {
                Console.WriteLine("{0}, ({1})", (int)putArtistResponse.StatusCode, putArtistResponse.ReasonPhrase);
            }
        }
        private static void CreateArtist()
        {
            Console.Write("Name: ");
            string name = Console.ReadLine();
            Console.Write("Country: ");
            string country = Console.ReadLine();
            Console.Write("Date of birth (yyyy-mm-dd): ");
            DateTime dateOfBirth = DateTime.ParseExact(Console.ReadLine(),
                "yyyy-mm-dd", CultureInfo.InvariantCulture);

            Artist artist = new Artist()
            {
                Name = name,
                Country = country,
                DateOfBirth = dateOfBirth
            };

            var postArtistResponse = jsonClient.PostAsJsonAsync("api/artists", artist).Result;
            if (postArtistResponse.IsSuccessStatusCode)
            {
                Console.WriteLine("Artist added!");
            }
            else
            {
                Console.WriteLine("{0} ({1})", (int)postArtistResponse.StatusCode, postArtistResponse.ReasonPhrase);
            }
        }