from sre_compile import isstring # 获取输入 s = input() # 获得新串 s2 = "" if str(s[0]) == "0" and str(s[1]) == "x": for i in range(2, len(s)): s2 += s[i] l = len(s2) d16 = {"A": 10, "B": 11, "C": 12, "D": 13, "E":...