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: ['w', '13', 'b', '455', 'b', 'k']

Answer: 1, 3, 4, 5


Question: ['345', '393', 'v', 'l', 'b', 'd', 'k', 'q', 'x']

Answer: 3, 4, 5, 9


Question: ['d', '65', 'c', '111', 'z', '311', 'c', 'v', '17', '215', 'p']

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