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:
['469', '13', '333', '271', '223', '341', 'h', '317', '303']
answer:
0, 1, 2, 3, 4, 6, 7, 9


question:
['e', '325', '377', 'v', '35', 'n', '125', '195']
answer:
1, 2, 3, 5, 7, 9


question:
['v', '379', 'i', 'v', 'q', 'f', 'p', '387', '47']
answer:

3, 4, 7, 8, 9