private static void EnterGrades(IBook book)
{
while (true)
{
Console.WriteLine("Введите оценку или 'q' для отмены");
var input = Console.ReadLine();
if (input == "q")
{
break;
}
try
{
book.AddObjectGrade(input);
}
catch (ArgumentException ex)
{
Console.WriteLine(ex.Message);
}
catch (FormatException ex)
{
Console.WriteLine(ex.Message);
}
finally
{
Console.WriteLine("**");
}
}
}
