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: ['l', '283', '171', 'q', '465', 'u', '325', 'd', 'j', '349', '351', '229', 'z']

SOLUTION: 1, 2, 3, 4, 5, 6, 7, 8, 9

PROBLEM: ['u', '207', 'q', '371', 's', '51', '217', 'q', '255', '9', '109', 'l', 'b', 'w']

SOLUTION: 0, 1, 2, 3, 5, 7, 9

PROBLEM: ['21', '457', 'n', 'd', 'b', '289', '469', 'a', 'q', '163', 'y']

SOLUTION:
1, 2, 3, 4, 5, 6, 7, 8, 9