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: ['313', 'q', '355', 'y', 'b', '267', 'd', '253', '393', '409']

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


Question: ['y', 'm', '121', 'h', 'm', '189', '117', '257', 'y', '181', '279', 'a', '453']

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


Question: ['f', '371', 'n', 'w', '497', 'a', '469', '469', 'b', 't', 'h', '267', '205']

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