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: ['433', '133', '255', 'h', '59', 'm', '315', '149', 't', 'y', 'n', '59', '493', '295']

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

PROBLEM: ['419', 'v', 'f', '325', '287', '153', 'g', 'o', '29', '463', 'e', '275']

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

PROBLEM: ['23', 'd', '425', 'a', '147', '25', '469', 'n', '435', 'u']

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