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:
['z', '271', 'h', 'm', '365']
answer:
1, 2, 3, 5, 6, 7


question:
['b', '329', 'm', 'q', 'k', 'z', 'k', '199', 'v', 'l']
answer:
1, 2, 3, 9


question:
['o', 'n', '67', '301', 'a', 'n', 'u', 'y', 'z', 'w', '455', 'k', '83']
answer:

0, 1, 3, 4, 5, 6, 7, 8