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:
['65', '195', 'k', '231', 'v', '359', '339', 'h', '405', '359', 'j']
answer:
0, 1, 2, 3, 4, 5, 6, 9


question:
['l', 'n', '477', '227', '71', 'p', 'q', '277', '135', 'i']
answer:
1, 2, 3, 4, 5, 7


question:
['399', '369', 'x', 'r', '215', '157', '169', '457']
answer:

1, 2, 3, 4, 5, 6, 7, 9