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:
['q', 'g', 'z', '309']
answer:
0, 3, 9


question:
['207', 'w', '317', '241', 'j', '443']
answer:
0, 1, 2, 3, 4, 7


question:
['19', '269', '343', '241', 'p', '67', '285', '307', 'a', 'r', '277', '69', 'y', 'j']
answer:

0, 1, 2, 3, 4, 5, 6, 7, 8, 9