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:
['103', '355', '417', 'e', '359', 'c', 'w', 'q', '237', '93', '431', '59', 'l', '121']
answer:
0, 1, 2, 3, 4, 5, 7, 9


question:
['51', '461', '343', '15', '209', '51']
answer:
0, 1, 2, 3, 4, 5, 6, 9


question:
['235', 'q', 'b', 'y', 'j', 'w', '221', 'h', '123']
answer:

1, 2, 3, 5