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: ['265', '251', '241', 'd', 'a', '59', '21', '385', '41', 'l', 'o', '205']

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


Question: ['71', '7', '341', '199', 'z', 'x', '201']

Answer: 0, 1, 2, 3, 4, 7, 9


Question: ['j', 't', '143', '249', '457', 'i', '497', '471', 'l', 'x', '277']

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