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:
['261', '227', 'f', 'w', '141', 'k', '119', '407', '409', '373']
answer:
0, 1, 2, 3, 4, 6, 7, 9


question:
['z', '143', 'o', '365', 'g', 'h', 'y', 'p', 'j']
answer:
1, 3, 4, 5, 6


question:
['p', '223', '157', 'd', '59', '407', 'x', 't']
answer:

0, 1, 2, 3, 4, 5, 7, 9


