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: ['127', 'd', '479', 'v', '213', 'm', 'z', '151', 'h', '455']

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

PROBLEM: ['y', 'v', '311', 'f', '273']

SOLUTION: 1, 2, 3, 7

PROBLEM: ['161', '407', 'w', '135', 'j', 'o', '107', '385', '119', 'h', 'v', 'a']

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