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:
['425', 'a', '351', 'v']
answer:
1, 2, 3, 4, 5


question:
['45', '95', 'y', '363', '265', '307', '309', '423']
answer:
0, 2, 3, 4, 5, 6, 7, 9


question:
['m', '467', '117', '497', '59', '111', 'l', 'i']
answer:

1, 4, 5, 6, 7, 9