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: ['y', 'v', '311', 'f', '273']

Answer: 1, 2, 3, 7


Question: ['439', '443', '175', 'e', 'm', '361', 'd']

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


Question: ['407', '257', 'h', 'e', '199']

Answer:
0, 1, 2, 4, 5, 7, 9