TASK DEFINITION: In this task, you are given an input list A. You need to convert all the alphabets in the list with a number representing their position in the English alphabet. E.g., replace A by 1, B by 2, a by 1, b by 2, and so on.
PROBLEM: ['o', '8137', 'V', 'q', '2543']

SOLUTION: 15, 8137, 22, 17, 2543

PROBLEM: ['N', '333', 'M', '2529', 'q', 'W', '4817', 'j', '33', '3239', '2985', 'i', '5203', 'b', '1419', '7733', '8053', '7279', 'K', 'R', '2899', 'I', '8661', '5285']

SOLUTION: 14, 333, 13, 2529, 17, 23, 4817, 10, 33, 3239, 2985, 9, 5203, 2, 1419, 7733, 8053, 7279, 11, 18, 2899, 9, 8661, 5285

PROBLEM: ['J', 'U', 'V', '8669', '2141']

SOLUTION:
10, 21, 22, 8669, 2141