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:
['l', 'z', '453', '361', 'p', 'c', 'n', '77', '113', '261', 'g']
answer:
1, 2, 3, 4, 5, 6, 7


question:
['363', '455']
answer:
3, 4, 5, 6


question:
['h', 't', 'a', 's', 'r', '105', '221', '317', 'p', 'c', 'n']
answer:

0, 1, 2, 3, 5, 7