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: ['z', 'g', '311', 'd', 's', 'w']

Answer: 1, 3


Question: ['3', '181', 'o', '425', 'f', '391']

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


Question: ['85', '9']

Answer:
5, 8, 9


