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:
['j', 'd', '445', 'g', '263', '217', '357', 'c', '57', 'x']
answer:
1, 2, 3, 4, 5, 6, 7


question:
['161', '433', '373', '225', '161', 'b', '179', '311', 'f', '325', 'y', 'c', 'h', '87']
answer:
1, 2, 3, 4, 5, 6, 7, 8, 9


question:
['157', 'j', 'l', 'j']
answer:

1, 5, 7