Detailed Instructions: 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', '375', '103', '429', 'f', '289', 'u', '469', 'e', 'm']
Solution:
0, 1, 2, 3, 4, 5, 6, 7, 8, 9