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.
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Question: ['m', 'e', 'g']

Answer: -1


Question: ['483', '409', '129', 'u', '167', '275', 'p', '163', 'r', 'q', 'i', '481', 'j', '271']

Answer: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9


Question: ['209', 'b', '355', 'y', 'j', '299', 'v', 'i']

Answer:
0, 2, 3, 5, 9