private static string ProceessSearchQueries(Dictionary<string, string> phonebook)
{
var contactName = Console.ReadLine();
var queriesResult = new StringBuilder();
while (!string.IsNullOrEmpty(contactName))
{
var contact = phonebook.Find(contactName);
queriesResult.AppendLine(contact != null
? string.Format("{0} -> {1}", contact.Key, contact.Value)
: string.Format("Contact {0} does not exist.", contactName));
contactName = Console.ReadLine();
}
return queriesResult.ToString();
}
