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: ['x', 's', '497', '239', '197', '191', '7', 'h', '191', '281', '55', '317', '407', '201', 'v']

Answer: 0, 1, 2, 3, 4, 5, 7, 8, 9


Question: ['381', '277', 'g', '307', 'p', '105', '341', 'o', '313', '5', '375', '145', 'k']

Answer: 0, 1, 2, 3, 4, 5, 7, 8


Question: ['b', 'r', 'n', '89', '379', '283', '27', 's', '361', 'm', 'l']

Answer:
1, 2, 3, 6, 7, 8, 9