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.
Input: ['8813', 'N', '1327', 'Q', 'T', '1611', 'e', '1823', '8669', 'q', 'F', '8129', '3673', 'S', 'd', '5445', '751', '4447', '3007', 'z', '2457', 'O', '3685', '6081', '1047', '8051', 'R', 'K', '3405', 'R', 'O', 'r', '5299', '687', 't', 'E', '7009']

8813, 14, 1327, 17, 20, 1611, 5, 1823, 8669, 17, 6, 8129, 3673, 19, 4, 5445, 751, 4447, 3007, 26, 2457, 15, 3685, 6081, 1047, 8051, 18, 11, 3405, 18, 15, 18, 5299, 687, 20, 5, 7009