TASK 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.
PROBLEM: ['d', '351', '357', 'q', 'b', '19', 'r', '231', '381', 'x', 'a', 'y', '263']

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

PROBLEM: ['497', '247', 'v', '327', '237', '257', '475', 's', '335', 'k']

SOLUTION: 2, 3, 4, 5, 7, 9

PROBLEM: ['x', 'x', '145', 'p', '11', 'j', 'e', '93', '213', '89', '445', 'z', 'z']

SOLUTION:
1, 2, 3, 4, 5, 8, 9