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.
--------
Question: ['j', 't']

Answer: -1


Question: ['k', '233', 'h', 'd', 's', '83', '149', 'p', 'm']

Answer: 1, 2, 3, 4, 8, 9


Question: ['239', '133', 'a', '395', '315', '287', '97', 'p', 'b', '63', '383']

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