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: ['103', '355', '417', 'e', '359', 'c', 'w', 'q', '237', '93', '431', '59', 'l', '121']

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


Question: ['r', '135', 't', 'm', 'f', '329', '475', '243', 'z', 'q', '31', '141']

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


Question: ['e', 'p', 't', 'k', '39', '89']

Answer:
3, 8, 9