using System;

using System.Collections.Generic;

using System.Threading.Tasks;

​

namespace ConsoleApp1

{

    public class Program

    {

        public static void Main(string[] args)

        {

            Console.WriteLine(DateTime.Now);

            Func().Wait();

            Console.WriteLine(DateTime.Now);

        }

​

        static async Task Func()

        {

            var list = new List<string>();

            list.AddRange(await Parse());

        }

​

        static async Task<List<string>> Parse()

        {

            await Task.Delay(3000);

            return new List<string>();

        }

    }

}

​