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.

[Q]: ['z', 't', 'm', '295', '459', 'r', 'k', '149', '263', '5', '57', '455']
[A]: 1, 2, 3, 4, 5, 6, 7, 9


[Q]: ['401', 'a', '273', 'c', '117', 'x', 'b', 'h', 's', 'v']
[A]: 0, 1, 2, 3, 4, 7


[Q]: ['403', 'z', 'z', '77', '69', 'n']
[A]:
0, 3, 4, 6, 7, 9