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: ['71', 't', '93', '301', 'g', '447', '373', 'd', '133', 'r']

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


Question: ['175', 'i', '313', '221', '499', 'z', 'g']

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