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: ['119', '329', 'w']

SOLUTION: 1, 2, 3, 9

PROBLEM: ['23', 'p', '409', '305', 'z', 'q', '295', '391']

SOLUTION: 0, 1, 2, 3, 4, 5, 9

PROBLEM: ['383', '267', 'o', 'e', 'o', '381', 'h', '285', 'b', '395']

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