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:
['61', '255', 'u', '219', '197', 'i', '453', 'i', '267', '217', 'o', 'g']
answer:
1, 2, 3, 4, 5, 6, 7, 9


question:
['167', 'o', '23', 'y', 'q', '407', 'q', '325', '43', '83', '401', 'l', '191']
answer:
0, 1, 2, 3, 4, 5, 6, 7, 8, 9


question:
['a', 'e', 'p', 'u', '147', '213', '69', '185', '343', 'n']
answer:

1, 2, 3, 4, 5, 6, 7, 8, 9