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:
['w', '13', 'b', '455', 'b', 'k']
answer:
1, 3, 4, 5


question:
['419', 'v', 'f', '325', '287', '153', 'g', 'o', '29', '463', 'e', '275']
answer:
1, 2, 3, 4, 5, 6, 7, 8, 9


question:
['q', '213', '381', '399', '345']
answer:

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