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:
['j', '379', 'x', '51', 'k', 'r', 'i', '233', '363', '69', 'v', 'q', '151']
answer:
1, 2, 3, 5, 6, 7, 9


question:
['1', 'm']
answer:
1


question:
['5', '267', '323', '139', 'z', 'c', '73', 'c', '103']
answer:

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