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:
['l', 'z', '453', '361', 'p', 'c', 'n', '77', '113', '261', 'g']
answer:
1, 2, 3, 4, 5, 6, 7


question:
['257', '111', 'g', '277', '473', '105', 'x', '217']
answer:
0, 1, 2, 3, 4, 5, 7


question:
['t', '257', 'a', '91', 'n', 'h', '187']
answer:

1, 2, 5, 7, 8, 9