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.

[EX Q]: ['s', 'y', '133', 'c', '415', 'p']
[EX A]: 1, 3, 4, 5

[EX Q]: ['t', 'p', 'u', 'a']
[EX A]: -1

[EX Q]: ['45', 'q', 'c', 'q']
[EX A]:
4, 5