static void Main(string[] args)
{
PhoneBook Codegym = new PhoneBook();
int option = 0;
do
{
Console.WriteLine("____________________________");
Console.WriteLine("PhoneBook Management System");
Console.WriteLine("1. Add Contact");
Console.WriteLine("2. Update Contact");
Console.WriteLine("3. Remove Contact");
Console.WriteLine("4. Search Contact");
Console.WriteLine("5. Show Contacts");
Console.WriteLine("6. Exit");
Console.WriteLine("____________________________");
Console.Write("Your choice: ");
if (int.TryParse(Console.ReadLine(), out int n))
{
option = n;
}
Process(option, ref Codegym);
} while (option != 6);
}
static void ShowContacts(PhoneBook contacts)
{
Console.WriteLine(contacts.ShowContacts());
}