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: ['z', 'g', '311', 'd', 's', 'w']

Answer: 1, 3


Question: ['d', '351', '357', 'q', 'b', '19', 'r', '231', '381', 'x', 'a', 'y', '263']

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


Question: ['327', 'e', '465', '127', 'h', '159', 'q', 'u', '453', 't', 'i', 'g']

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