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: ['169', '159', '103', '245', '449', 'a', 'w', 'b', '131', '385']

Answer: 0, 1, 2, 3, 4, 5, 6, 8, 9


Question: ['499', '493', 'i', '87']

Answer: 3, 4, 7, 8, 9


Question: ['o', '13', '389', '49', '109', '285', '107', 'v', 'i', '11', '117', 'y', '363']

Answer:
0, 1, 2, 3, 4, 5, 6, 7, 8, 9