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:
['499', '493', 'i', '87']
answer:
3, 4, 7, 8, 9


question:
['317', '221', 'h', '101', '453', '489']
answer:
0, 1, 2, 3, 4, 5, 7, 8, 9


question:
['207', '271', '317', 'o', 'n', 'f', 'p', '307', '349', 'p', '265', 's', '163', 'c']
answer:

0, 1, 2, 3, 4, 5, 6, 7, 9