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: ['313', 'q', '355', 'y', 'b', '267', 'd', '253', '393', '409']

SOLUTION: 0, 1, 2, 3, 4, 5, 6, 7, 9

PROBLEM: ['b', 'n', '369', '199', 'r', '165', '63', 'y', '331', '57']

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

PROBLEM: ['441', '211', 'w', '161', '435', '7', '83', '69']

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