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', '269', 'l', '379', '359']
answer:
2, 3, 5, 6, 7, 9


question:
['489', 'y', 's', 'x', '203', 't', 'y', '461', 'v', 'k', '371', 'e']
answer:
0, 1, 2, 3, 4, 6, 7, 8, 9


question:
['m', 'z', '217', '57', '341']
answer:

1, 2, 3, 4, 5, 7