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: ['f', '291', '145', 'd', 'z', '355', 'r']

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


Question: ['n', 'q', 'z', 'r', '41', '345', '115', '487', '273', 'q', '219', 'i', '23']

Answer: 1, 2, 3, 4, 5, 7, 8, 9


Question: ['45', 'z', '71', '403', 'u', 'j', '493', '299', '9', 'z', '205', 'q', '1']

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