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', '131', 'e', 'c', '149', '325', 'h', 'l', 'i', 'q', '151']

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


Question: ['g', 'g', 'r', 'g', 'b', 'z', '441', 'z', 'f', '35', 'x', '327', 'l', 'n']

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


Question: ['v', 'r', '375', '349', '303', 'j', '257', 'u', '189', '287']

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