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: ['3869', '5187', 'm', 'Z', '8285', 'A', 'c', '7195', 'J', '4089', '4303', 'U', '5327', '9395', '7525', '5589', 'P', '8303', '9741', '7733', 'O', 'l', 'w', 'z', 'q', 'H', '9763', '2215', 'M', '9907', '843', 'N']

SOLUTION: 3869, 5187, 13, 26, 8285, 1, 3, 7195, 10, 4089, 4303, 21, 5327, 9395, 7525, 5589, 16, 8303, 9741, 7733, 15, 12, 23, 26, 17, 8, 9763, 2215, 13, 9907, 843, 14

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: ['4505', 'y', '2073', 'z', 'e', '5209', '4163', '1787', '6475', 'T', 'X', '9643', '5825', '7145', 'L', '5233', '4051', '8641', '8241', '4555', 'q', 'h', '3357', 'd', 'E', '5815', 'U', 'C', 'e', 'z', '7627', 'f', '6005', 'R', 'N', 'T', 'N']

SOLUTION:
4505, 25, 2073, 26, 5, 5209, 4163, 1787, 6475, 20, 24, 9643, 5825, 7145, 12, 5233, 4051, 8641, 8241, 4555, 17, 8, 3357, 4, 5, 5815, 21, 3, 5, 26, 7627, 6, 6005, 18, 14, 20, 14