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: ['171', 'h', '53', 'o', 'q']

Answer: 1, 3, 5, 7


Question: ['l', 'z', '453', '361', 'p', 'c', 'n', '77', '113', '261', 'g']

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


Question: ['169', 'm', 'x', 'n', '453', '35', '417', '263', '263']

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