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:
['265', '251', '241', 'd', 'a', '59', '21', '385', '41', 'l', 'o', '205']
answer:
0, 1, 2, 3, 4, 5, 6, 8, 9


question:
['165', '219', 'r', 's', '191', 'k', '39']
answer:
1, 2, 3, 5, 6, 9


question:
['z', 'e', '235', 'w', 'u', '311', '171', 'c', 'm', 'q', '253']
answer:

1, 2, 3, 5, 7