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: ['171', 'h', '53', 'o', 'q']

Answer: 1, 3, 5, 7


Question: ['43', 'n', 's', '453', 'c', '205']

Answer: 0, 2, 3, 4, 5


Question: ['k', 'o', 'f', 'x', 'a', 'i', '75']

Answer:
5, 7