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: ['45', '95', 'y', '363', '265', '307', '309', '423']

Answer: 0, 2, 3, 4, 5, 6, 7, 9


Question: ['u', 'm', 'n', 'h', 'u']

Answer: -1


Question: ['q', 'p', 'i', '195', 'v', 'u', 'l']

Answer:
1, 5, 9