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:
['n', 'f', '355', 'e', '113', '131', '443', '275', '249', '487']
answer:
1, 2, 3, 4, 5, 7, 8, 9


question:
['269', 'f', '321', '175', '15', 'n', 'b', 'z', '53', 'p', 'x', '457', 'q', 'b']
answer:
1, 2, 3, 4, 5, 6, 7, 9


question:
['x', '203', '267', '3', '267', '301']
answer:

0, 1, 2, 3, 6, 7