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:
['233', '35', 'l', 'j', '89', 'r', 't']
answer:
2, 3, 5, 8, 9


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


question:
['153', 'j', '127', 'u', '375']
answer:

1, 2, 3, 5, 7


