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: ['91', '291', '379', 'k', 'a', 't', 'i', '355', 'l', '335', '119', '343']

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


Question: ['173', 'r', 'a', 'n', 'h', 'o', 'w', '135', '321', '59', 'r', '295', 'r']

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


Question: ['z', '109', '359', 'u', '219', '151', '121', '215', '355', '151', '15']

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