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: ['k', 'v', 'l', '365', '217', '23', 'a', 's', '167', 'k', 'o']

1, 2, 3, 5, 6, 7