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: ['159', 's', 'z', '85', 't', 'g']

Answer: 1, 5, 8, 9


Question: ['h', 't', 'h', 'i', 'c', '441', '117', '463', 'r']

Answer: 1, 3, 4, 6, 7


Question: ['349', 'e', '145', '1', '77', 'h', 'z', '327', '165', 'n']

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