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:
['479', '205', 'e', 'c', '57', 'm', 'i', '33', 'f', '45', 'z']
answer:
0, 2, 3, 4, 5, 7, 9


question:
['217', '481', '87', 'w', 'q', 'c', 'j', '275', 'e', '49', '87', '25']
answer:
1, 2, 4, 5, 7, 8, 9


question:
['179', '329', '139', 'p', '497', '139', '245', 'q', '193', '159', 'd', '469', '81']
answer:

1, 2, 3, 4, 5, 6, 7, 8, 9