Detailed Instructions: In this task, you are given an input list A. You need to extract and sort the unique digits used in the list in ascending order. Return -1 if there is no digit in the list.
Q: ['297', 'f', 'v', '303', '277', 'p', '31', 'z', '65', '369', 'e', 'p', '349', '121']
A:
0, 1, 2, 3, 4, 5, 6, 7, 9