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:
['285', 'w', '37', '471', 'y', '435', '27', '415', 'f', 's', '27', 'b']
answer:
1, 2, 3, 4, 5, 7, 8


question:
['211', 'v', 'a', '445', '185', '135', 'v', 'w', 'b', '155', '315', '1']
answer:
1, 2, 3, 4, 5, 8


question:
['q', '131', '53', '281', '255']
answer:

1, 2, 3, 5, 8


