H_dict = { "0": 0, "1": 1, "2": 2, "3": 3, "4": 4, "5": 5, "6": 6, "7": 7, "8": 8, "9": 9, "A": 10, "B": 11, "C": 12, "D": 13, "E": 14, "F":...