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:
['375', '457', '423', 'q', 't']
answer:
2, 3, 4, 5, 7


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


question:
['f', 'p', 'z', '195', 'r', '287', 'g', '427', '203', '283', 's', '455']
answer:

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