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: ['207', 'w', '317', '241', 'j', '443']

SOLUTION: 0, 1, 2, 3, 4, 7

PROBLEM: ['h', '309', 'q', 'w', '367', '245', '181', 'w', '377', '33']

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

PROBLEM: ['61', '255', 'u', '219', '197', 'i', '453', 'i', '267', '217', 'o', 'g']

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