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: ['475', '19', 'k', '307', '417']

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


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

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


Question: ['q', '301', '87', 'z', '295']

Answer:
0, 1, 2, 3, 5, 7, 8, 9