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.

Ex Input:
['k', 'k', 'o', 'c', 'p', '301', 'o']

Ex Output:
0, 1, 3


Ex Input:
['v', '477', 'j', '339', '245', 'r', '417', 'g', '475', 'n', 'q', '171']

Ex Output:
1, 2, 3, 4, 5, 7, 9


Ex Input:
['339', 'd']

Ex Output:

3, 9