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: ['363', '455']

Answer: 3, 4, 5, 6


Question: ['j', 'd', '445', 'g', '263', '217', '357', 'c', '57', 'x']

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


Question: ['i', 'r', 'k', '245', '49', '3', '115', 'j', '141', '187', 'd']

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