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:
['p', '103', 'd', '411', 'f']
answer:
0, 1, 3, 4


question:
['243', '125']
answer:
1, 2, 3, 4, 5


question:
['229', '499', 't', 'c', '371', '109', '319', 's', 'e']
answer:

0, 1, 2, 3, 4, 7, 9