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

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


Question: ['s', 'y', '133', 'c', '415', 'p']

Answer: 1, 3, 4, 5


Question: ['405', 'x', '163', 'z', 'z', '261', 'o']

Answer:
0, 1, 2, 3, 4, 5, 6