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: ['73', '215', '389', '381', 'e', 'v', 'j', 'l', 'r']

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


Question: ['363', 'w', '151', 'd']

Answer: 1, 3, 5, 6


Question: ['453', '447', 'f', 'z', '209', '165', '293', 'f', '427', 'g', 'b', 'f', 'n', 'j', 'b']

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


