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:
['t', '361', 'o', 'j', '395', 'u', '211', 'a', 'i', 'i', '375', 'h', '451']
answer:
1, 2, 3, 4, 5, 6, 7, 9


question:
['41', 'o', 'm', 'h', 's', 't', '407', '445', '371', '93', '291', '457', 'r', '391', 'a']
answer:
0, 1, 2, 3, 4, 5, 7, 9


question:
['201', 'r', 'b', 't', 'u', '201', '247', 'z', '211', '471', 'o', 't']
answer:

0, 1, 2, 4, 7