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: ['93', 'z', '495', 'l', '65', '233', 'h', 'm', 'f', '249', 'w', '35', '337', 'j', 'm']

Answer: 2, 3, 4, 5, 6, 7, 9


Question: ['a', '399', 's', 'e', '495', 'd', 'f', 'a', '323']

Answer: 2, 3, 4, 5, 9


Question: ['379', '31', 'j', '67', 'u', '167', 'u', 'q', '455', 'k', 'i']

Answer:
1, 3, 4, 5, 6, 7, 9