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:
['381', '357', 'w', 'r', '115', 'z', '389', 'p', 'p', '101', '229']
answer:
0, 1, 2, 3, 5, 7, 8, 9


question:
['g', 't', '31', 't', 's']
answer:
1, 3


question:
['469', '227', '405', 'b', '459', 'v', 's', '51', 's', 'j', 'k']
answer:

0, 1, 2, 4, 5, 6, 7, 9