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: ['b', 'J', '4053', 'y', '8929', '9763', '4825', '5429', '2619', '6105', '3163', '6485', '6525', 'a', '2713', '153', '4391', 'h', 'M', 'u', '7327', 'O', 'y', '1345', 'X', '9149', '5101', 'q']

SOLUTION: 2, 10, 4053, 25, 8929, 9763, 4825, 5429, 2619, 6105, 3163, 6485, 6525, 1, 2713, 153, 4391, 8, 13, 21, 7327, 15, 25, 1345, 24, 9149, 5101, 17

PROBLEM: ['g', 'k', '4871', 'w', 'y', 'D', 'R', 'X', '5989', '5509', 'R', 'r', '6921', '5449', '3033', 'u', '1237', '5847', '583', 'L', '5649', 'l', 'V', '1763']

SOLUTION: 7, 11, 4871, 23, 25, 4, 18, 24, 5989, 5509, 18, 18, 6921, 5449, 3033, 21, 1237, 5847, 583, 12, 5649, 12, 22, 1763

PROBLEM: ['W', '1313', 'D', '7141', 'M', '9541', '7713', '8179', 't', '4881', 'J', '9091', 'c', '8283', '7749', 'Z', '109', 'x', 'd', '89', '4757', '4399', '1615', '9735']

SOLUTION:
23, 1313, 4, 7141, 13, 9541, 7713, 8179, 20, 4881, 10, 9091, 3, 8283, 7749, 26, 109, 24, 4, 89, 4757, 4399, 1615, 9735