TASK 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.
PROBLEM: ['193', '195', '411', 'p', '161', 'j']

SOLUTION: 1, 3, 4, 5, 6, 9

PROBLEM: ['w', '19', '61', 'j', 'o', 's', 'q', '391', '281', '491', '287']

SOLUTION: 1, 2, 3, 4, 6, 7, 8, 9

PROBLEM: ['61', '495', '91', '407', '89', '325', '463', 'o', '399', 'q', '53', '35', 'o']

SOLUTION:
0, 1, 2, 3, 4, 5, 6, 7, 8, 9