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]: ['w', 'b', 'w', 'm', 'j', 'd', 'q', '47', '221', 'b', '201', 'f']
[EX A]: 0, 1, 2, 4, 7

[EX Q]: ['159', 's', 'z', '85', 't', 'g']
[EX A]: 1, 5, 8, 9

[EX Q]: ['r', '135', 't', 'm', 'f', '329', '475', '243', 'z', 'q', '31', '141']
[EX A]:
1, 2, 3, 4, 5, 7, 9