public void UpdateBook()
{
String updId = Prompt("UPDATE:\nEnter book number for update");
String title = db.GetTitle(updId);
if (title == "")
{
Console.WriteLine("Book not found");
return;
}
Console.WriteLine($"Title: {title}");
String updName = Prompt("Enter new book's title");
Console.WriteLine($"{db.UpdateBook(updId, updName)} Book name was updated");
Console.WriteLine($"Authors: {db.GetAuthors(updId)}");
String updAuthors = Prompt("Coma separater lisn for add (<name>) or delete ( -<name> )");
db.UpdateAuthors(updId, updAuthors);
}
