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:
['7', 'q', '201', 'p', '369', 'a', 'g', '429', 'i', 'g', '329', '295', '203']
answer:
0, 1, 2, 3, 4, 5, 6, 7, 9


question:
['z', '273', '447', 'h']
answer:
2, 3, 4, 7


question:
['g', '161', 'c', '453', '209', 'z', '13', 'i', 'g']
answer:

0, 1, 2, 3, 4, 5, 6, 9