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:
['233', '189', '217', 's', '221', 'v', 'c', 'x', '455']
answer:
1, 2, 3, 4, 5, 7, 8, 9


question:
['o', '105', '409', '287', '9', '377', 'h', 'v', 'i', 'j', 'm', '59', 's', '357']
answer:
0, 1, 2, 3, 4, 5, 7, 8, 9


question:
['475', 'g', 'd', 'v', 'b', '261', 'l']
answer:

1, 2, 4, 5, 6, 7