instruction:
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.
question:
['405', 'x', '163', 'z', 'z', '261', 'o']
answer:
0, 1, 2, 3, 4, 5, 6


question:
['213', 'm', '347', '217', 'g', '207', '361', 'q']
answer:
0, 1, 2, 3, 4, 6, 7


question:
['d', 'w', '411', 'n', 'x', '201', 'v', '493', '95', 'a', '323', 'd']
answer:

0, 1, 2, 3, 4, 5, 9