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: ['z', 'p', '5297', '2177', 'a', 'K', '6217', 'P', 'i', '3365', '5083', 'M', '9027', '6689', 'H', 'Z', '3199', '8879', 'D', '9265', '1803', '5129', '9369', '8119', '7349', '1283', '5777', '6649', '7189']

SOLUTION: 26, 16, 5297, 2177, 1, 11, 6217, 16, 9, 3365, 5083, 13, 9027, 6689, 8, 26, 3199, 8879, 4, 9265, 1803, 5129, 9369, 8119, 7349, 1283, 5777, 6649, 7189

PROBLEM: ['X', 'A', 'V', '6327', 'E', 'a', '2173', '9145', '8161', 'X', '5829', 'f', 'K', 'C']

SOLUTION: 24, 1, 22, 6327, 5, 1, 2173, 9145, 8161, 24, 5829, 6, 11, 3

PROBLEM: ['9897', 'F', '6703', 'o', 'x', 'I', '5809', '937', '509', 'h', 'W', 'C', 'w', '5175', '3505', '1201', '2229', '9657', 'H', '7989', 'O', 'n', '7587', 'n', 'O', 'P', '4419', 'B']

SOLUTION:
9897, 6, 6703, 15, 24, 9, 5809, 937, 509, 8, 23, 3, 23, 5175, 3505, 1201, 2229, 9657, 8, 7989, 15, 14, 7587, 14, 15, 16, 4419, 2