Definition: 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.
Input: ['251', 'x', '423', '323', 'g', 's', '95', '447', '131', 'x', 'f', 'v', 'q', 'd', '411']
Output:
1, 2, 3, 4, 5, 7, 9