Navy Night Stands. See world news photos and videos at abcnews.com The empty string is the special case where the sequence has length zero, so there are no symbols in the string.
تازهترین خبرهای روز و اخبار فوری بهصورت ویدیویی و رایگان در دسترس شماست. Moscow says the british royal family has been told not to contact the russian. Get the latest science news and technology news, read tech reviews and more at abc news.