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]: ['203', 'p', 'r', 'r', 'c', 'w', 'z', 'w', 'a', '203', 'n']
[EX A]: 0, 2, 3

[EX Q]: ['o', 'f', 'x', '239']
[EX A]: 2, 3, 9

[EX Q]: ['o', '245', '17', 'w', 'n', '33']
[EX A]:
1, 2, 3, 4, 5, 7