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: ['a', 'K', '9581', 'v', 'p', 'I', '2579', '7467', '2267', '3839', '9615', 'k', 'l', 'X', 'I']

SOLUTION: 1, 11, 9581, 22, 16, 9, 2579, 7467, 2267, 3839, 9615, 11, 12, 24, 9

PROBLEM: ['4647', '3833', '9203', '8189', '6519', 'R', '4503', '2261', 'T', 'W', '6593', 'V', 'i']

SOLUTION: 4647, 3833, 9203, 8189, 6519, 18, 4503, 2261, 20, 23, 6593, 22, 9

PROBLEM: ['r', '2489', 's', '961', 'g', '933', '9693', '3077', 'N', 'T', '2711', '5517', 'n', '7079', '3377', 'd', 'Q', '6693', 'L', 'F', '5541', '1245', '6499']

SOLUTION:
18, 2489, 19, 961, 7, 933, 9693, 3077, 14, 20, 2711, 5517, 14, 7079, 3377, 4, 17, 6693, 12, 6, 5541, 1245, 6499