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: ['183', '235', 'a', '261', 'z', 'n', 's', 'q', 'm', '311', '399', '457']

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

PROBLEM: ['151', 'j', 'o', 's', 'q', 'r', '325']

SOLUTION: 1, 2, 3, 5

PROBLEM: ['27', '199', '29', '419', 'o', 'r', 'z', 'v', 'j', 'g', '397']

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