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: ['385', 'b', 'c']

Answer: 3, 5, 8


Question: ['o', '235', '479', 'e', '199', 'c', '25', '59', 'g', '415', '201', '129', 'a', 'i', 'c']

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


Question: ['411', 'm', '409', '151', '203', 's', 'd', 'x']

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