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: ['j', 'd', '445', 'g', '263', '217', '357', 'c', '57', 'x']

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


Question: ['411', 'n']

Answer: 1, 4


Question: ['u', '367', 'l', '341', 'd']

Answer:
1, 3, 4, 6, 7