using Microsoft.AspNetCore.Hosting; using Microsoft.Extensions.Configuration; using Microsoft.Extensions.Hosting; using Microsoft.Extensions.Logging; using System; using System.Collections.Generic; using System.Linq; using System.Threading.Tasks; namespace TEAMModelAPI { public class Program { public static void Main(string[] args) { List a = new List() { "1", "2", "3", "4", "5" }; List b = new List() { }; var c = b.Where(x => !a.Any(y => y.Equals(x))).ToList(); CreateHostBuilder(args).Build().Run(); } public static IHostBuilder CreateHostBuilder(string[] args) => Host.CreateDefaultBuilder(args) .ConfigureWebHostDefaults(webBuilder => { webBuilder.UseStartup(); }); } }