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:
['129', '373', '461', 'h', 'r', '163', '361', '483', '463', 'e', 'z', 'l']
answer:
1, 2, 3, 4, 6, 7, 8, 9


question:
['201', 'm', '157', 's', 'n', 'i', '325', 'x', '247', 'u', '187', 'e', '199']
answer:
0, 1, 2, 3, 4, 5, 7, 8, 9


question:
['205', 'p', 'b', 'u', '397', 'x', '139', '333', 'q', '111', '427', 'q', '447']
answer:

0, 1, 2, 3, 4, 5, 7, 9