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', 'v', 't', 'm', '51', 'e', 'l', 'l', '83', '301', '21', '347', 'm', '41', 'b']

A: 0, 1, 2, 3, 4, 5, 7, 8
****
Q: ['353', 'y', 'a', 'g', '141', '97', '457', '297', '25', 'g', '131', 'u', '303', '39', 'p']

A: 0, 1, 2, 3, 4, 5, 7, 9
****
Q: ['397', '309', 'r', '379', 'e', '227']

A:
0, 2, 3, 7, 9
****