Amazon prime video is amazing entertainment website and provides rich contents of movies, documentary and seasons. When we are watching anything on prime video it also remembers the watch history as well as video watch history. In this context video watch history is different than video history. Video watch history means I am referring to last watched time and if you are watching seasons then no of season and episode. And as video history I am referring to your search history and recommendations based on that. Video search history stored permanently and it will grow as you watch the any videos on prime. courtesy How to reset video watch? There is no official method to reset your video watch because when you watch the any seasons it remembers the last season, video number and time you stopped watching. How ever there is one way to reset it is to do it manually in PC as well as on Mobile. I recommend do it on your personal computer or laptop . 1. Login to primevideo   2. Go to the season

To count the unique letters in any given string and paragraph we can use python dictionary object and its indexing method. Below the program of counting unique alphabets, white spaces and dashes. Python Program or code: import string #Include " " to count it alphabet = string.ascii_letters + " " + " -- " #print(alphabet) sentence = 'Jim quickly realized that the beautiful gowns are expensive' address = """Four score and seven years ago our fathers brought forth on this continent, a new nation, conceived in Liberty, and dedicated to the proposition that all men are created equal. Now we are engaged in a great civil war, testing whether that nation, or any nation so conceived and so dedicated, can long endure. We are met on a great battle-field of that war. We have come to dedicate a portion of that field, as a final resting place for those who here gave their lives that that nation might live. It is altogether fitting and proper