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: ['q', 'g', 'z', '309']

Answer: 0, 3, 9


Question: ['433', '133', '255', 'h', '59', 'm', '315', '149', 't', 'y', 'n', '59', '493', '295']

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


Question: ['457', 'p', 'l', 'k', 's', '75']

Answer:
4, 5, 7