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


question:
['k', '217']
answer:
1, 2, 7


question:
['u', 'c', 'f', 'z', '51', '301', 'q', '275']
answer:

0, 1, 2, 3, 5, 7