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:
['q', 'u']
answer:
-1


question:
['71', 't', '93', '301', 'g', '447', '373', 'd', '133', 'r']
answer:
0, 1, 3, 4, 7, 9


question:
['o', '105', '409', '287', '9', '377', 'h', 'v', 'i', 'j', 'm', '59', 's', '357']
answer:

0, 1, 2, 3, 4, 5, 7, 8, 9