Basic Phonebook by Print101

using System;
using System.Collections.Generic;
using System.Linq;
using System.Security.Cryptography.X509Certificates;
using System.Text;
using System.Threading.Tasks;

namespace PhoneBookExample
{
    class Program
    {
        public static List<string> PhoneBookPrev = new List<string>();
        String[] PhoneBook = PhoneBookPrev.ToArray();

        static void Main(string[] args)
        {
            string Input;
            Console.Title = "PhoneBookV1";

            while (true)
            {
                Console.WriteLine("Get or Set?");
                Input = Console.ReadLine();

                if (Input == "Get")
                {
                    Get();
                }
                else if (Input == "Set")
                {
                    Set();
                }
                else
                {
                    Console.WriteLine("Invalid Decision.");
                }
            }
        }

        public static void Get()
        {
            Console.Clear();
            Console.WriteLine("-----------------------------------------------");
            Console.WriteLine("Getting All Contacts... Please be Patient.");
            Console.WriteLine("-----------------------------------------------");
            System.Threading.Thread.Sleep(5000);
            Console.Clear();


            if (PhoneBookPrev.Count <= 0)
            {
                Console.WriteLine("No Contacts Found.");
                System.Threading.Thread.Sleep(5000);
                Console.Clear();
            }
            else if (PhoneBookPrev.Count > 0)
            {
                Console.WriteLine("A Total of " + PhoneBookPrev.Count + " Contacts were Found.");
                Console.WriteLine("-------------------------------------------------------------------");
                foreach (string contactInfo in PhoneBookPrev)
                {
                    Console.WriteLine(contactInfo);
                }
                Console.WriteLine("-------------------------------------------------------------------");
            }
        }

        public static void Set()
        {
            string info;
            Console.WriteLine("-- Set a new PhoneBook --");
            Console.WriteLine();
            Console.Write("Enter Name: ");
            info = Console.ReadLine();
            try
            {
                PhoneBookPrev.Add(info);
                Console.Write("Contact " + info + " has been successfully added to your contacts.");
            }
            catch (Exception)
            {
                Console.Write("There was an Error whilst trying to add that Contact Information!");
            }
        }
    }
}