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:
['483', 'e', '57', 'a', '101', 'f', 'z', 'q', '115', 'x', '3', '305', '435', '45']
answer:
0, 1, 3, 4, 5, 7, 8


question:
['l', '201', 's', 'y', 'b', '395', '19']
answer:
0, 1, 2, 3, 5, 9


question:
['p', '245', '283', '73', '61']
answer:

1, 2, 3, 4, 5, 6, 7, 8