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: ['j', 'w', 'h', 'r', 'w', 'h', 'd', 'f', '81', 'g', '145']

Answer: 1, 4, 5, 8


Question: ['t', '419', 'f']

Answer: 1, 4, 9


Question: ['g', '351', '111', 'y', 'r', 'y', '403', 'j', 'f', 'q']

Answer:
0, 1, 3, 4, 5