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: ['8989', 'o', 'b', '5765']

SOLUTION: 8989, 15, 2, 5765

PROBLEM: ['n', '9127', 'k', '9641', 'h', '6137', 's', 'E', 'N', 'D', 's', 'Y', '9669', 'Z', 'c', '3553', '2105', '4519', '1969', '1545', 'f', 'v', '4571', 'S', 'O', 'd', 'r', 'I', 'I', '2105']

SOLUTION: 14, 9127, 11, 9641, 8, 6137, 19, 5, 14, 4, 19, 25, 9669, 26, 3, 3553, 2105, 4519, 1969, 1545, 6, 22, 4571, 19, 15, 4, 18, 9, 9, 2105

PROBLEM: ['3027', '241', 'K', 'N', 'k', '8003', '945', '149', '1467', 'c', 'T', 'l', '8121', '7657', 'A', 'u', '653', '6939', 'X', 'U', 'n', '9813', 'y', 'Y', '7945', 'a']

SOLUTION:
3027, 241, 11, 14, 11, 8003, 945, 149, 1467, 3, 20, 12, 8121, 7657, 1, 21, 653, 6939, 24, 21, 14, 9813, 25, 25, 7945, 1