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: ['a', '441', '227', 'j', '13', '277', 'f', 'o']

Answer: 1, 2, 3, 4, 7


Question: ['z', '209']

Answer: 0, 2, 9


Question: ['415', '11', 's', 'r', 'n']

Answer:
1, 4, 5