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: ['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: ['9593', '9143', '9513', '341', '4957', 'W', 'U', '4951', 'P', 'i', 'F', 'q', 'y', '3429', 'k', '5527', 'M']

SOLUTION: 9593, 9143, 9513, 341, 4957, 23, 21, 4951, 16, 9, 6, 17, 25, 3429, 11, 5527, 13

PROBLEM: ['3295', '8745', 'c', '7757', '1689', '2311', '9003', 'n', 'C', 'A', '59', 'E', '4663', 'M', 'l', 'f', 'c', '7411', '8675', 'U', 'm', '9867', 'V', 'A', 'W', 'W', '3275', '4489', 'c', '8407', '1031', '6061', '8479', 'k', '2089', 'f']

SOLUTION:
3295, 8745, 3, 7757, 1689, 2311, 9003, 14, 3, 1, 59, 5, 4663, 13, 12, 6, 3, 7411, 8675, 21, 13, 9867, 22, 1, 23, 23, 3275, 4489, 3, 8407, 1031, 6061, 8479, 11, 2089, 6