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: ['207', 'w', '317', '241', 'j', '443']

Answer: 0, 1, 2, 3, 4, 7


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

Answer: -1


Question: ['c', 'l']

Answer:
-1