instruction:
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.
question:
['487', '355', 'm', 's', '367', 'n', '203', 'x', 't', 'v', 'd', '251']
answer:
0, 1, 2, 3, 4, 5, 6, 7, 8


question:
['q', '17', '497', '69', 'n', '25', 'a', 'j', 'c', 'j', '303', '453', 'k', 'h']
answer:
0, 1, 2, 3, 4, 5, 6, 7, 9


question:
['f', 'l', '209', 'j', '303', 'y', '77', 'b', '59', '229', 'r', '141', '373']
answer:

0, 1, 2, 3, 4, 5, 7, 9