Q: 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.
['b', 'q', 'r', 'z', 'c', '409', '451', 'i', 'f', '269', '499', 'p', '357']
A:
0, 1, 2, 3, 4, 5, 6, 7, 9