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: ['e', 's', '153', 'e', '377', 'c', 'v', '437']

Answer: 1, 3, 4, 5, 7


Question: ['291', 'p', '261', 'z', '21', 'w', 't', '417']

Answer: 1, 2, 4, 6, 7, 9


Question: ['n', '165', '201', '419', '265', '323', 'f', '147', 'e', 'b', 'c', '135', '355', '415']

Answer:
0, 1, 2, 3, 4, 5, 6, 7, 9