public string Execute(IEnumerable <string> parameters)
{
IList <string> args = parameters.ToList();
if (args.Count != 4)
{
throw new InvalidUserServiceParametersExeption("Invalid numbers of parameters");
}
string firstName = args[0];
string middName = args[1];
string lastName = args[2];
string book = args[3];
var userWithBook = usersServices.BorrowBook(firstName, middName, lastName, book);
return($"User {userWithBook.FirstName} " +
$"borrow the book {book}");
}