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: ['163', '291', 'm', 'z', '99', 'd', '365', 'm', '89', 's', 'e', 'q', 's', '161']

SOLUTION: 1, 2, 3, 5, 6, 8, 9

PROBLEM: ['m', '221', '261', '175', '183', '359', 'h', '157', 'p', 'r', 'c', 'g', '193', 's']

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

PROBLEM: ['149', '111']

SOLUTION:
1, 4, 9