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: ['Y', 'w', '4009', '4943', '3801', '6595', '5061', 'm', 'z', '9935', '2419', '3863', '1003', 'n', '3003', 'S', '807', '9975', 'h', '6983', 'b', '9213', 'h', 'Z']

25, 23, 4009, 4943, 3801, 6595, 5061, 13, 26, 9935, 2419, 3863, 1003, 14, 3003, 19, 807, 9975, 8, 6983, 2, 9213, 8, 26