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:
['q', '17', '497', '69', 'n', '25', 'a', 'j', 'c', 'j', '303', '453', 'k', 'h']
answer:
0, 1, 2, 3, 4, 5, 6, 7, 9


question:
['345', 'h', '9']
answer:
3, 4, 5, 9


question:
['185', 'b', '125']
answer:

1, 2, 5, 8