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', '259', 'r', '363', '149', 's', 'p', 'l', '271', '93', '205', 's', 'r', 'v', 'z']
answer:
0, 1, 2, 3, 4, 5, 6, 7, 9


question:
['305', '447', '125', 'c', '469', '231', 'c', '33', 'r', '69', 'p', 'b', '143']
answer:
0, 1, 2, 3, 4, 5, 6, 7, 9


question:
['c', '47', 'w', 'c', 'l', 'a', 's', '153', 'v', '63', 'e', '391', '427']
answer:

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