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: ['4599', 'V', '2005', 'k']

SOLUTION: 4599, 22, 2005, 11

PROBLEM: ['t', '855', 'x', 'E', '6569', 'P', '2985', '767', '6427', '4061', '2493', 'Z', 'u', '8289', '5901', '3755', 'd', '4015', '1181']

SOLUTION: 20, 855, 24, 5, 6569, 16, 2985, 767, 6427, 4061, 2493, 26, 21, 8289, 5901, 3755, 4, 4015, 1181

PROBLEM: ['1843', '8405', '4371', '1785', 'k', 'G', 'S', '425', 'o', 'P', '9135', 'C', '6469', '6207', '2071', '945', '5345', '6361', '673', 'I', '2913', 'd', 'p', '4811', 'P', 't', 'H', '8477', 'i', 'm', 'N', 'g', '8017', 'v', 'e', '817']

SOLUTION:
1843, 8405, 4371, 1785, 11, 7, 19, 425, 15, 16, 9135, 3, 6469, 6207, 2071, 945, 5345, 6361, 673, 9, 2913, 4, 16, 4811, 16, 20, 8, 8477, 9, 13, 14, 7, 8017, 22, 5, 817