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', '143', 'o', '365', 'g', 'h', 'y', 'p', 'j']
answer:
1, 3, 4, 5, 6


question:
['255', 'u', 's', 'g', '445']
answer:
2, 4, 5


question:
['459', 'i', 'z', '353', '301', 'f', 'q', '461', 'o', '129', '263']
answer:

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