public boolean PromptToPlay () 	{
		System.out.println("Do you want to play the number game? "
				+ "(enter Y or Yes for yes, or anything else for no)");
		String user_input = scanner.nextLine();
		if (user_input.trim().equalsIgnoreCase("Y") || user_input.trim().equalsIgnoreCase("Yes"))	{
			return true;
		}
		return false;
	}