Definition: 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.
Input: ['301', 'z', '387', '37', 'j', '29', '81', '449', '241', 'b', 's', '291']

0, 1, 2, 3, 4, 7, 8, 9