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: ['k', '9985', 'P', 'A', '3641', '1025', 'J', '8797', 'I', 'Q', 'k', 'y', '8141', 'U', '7031', 'Y', '4851', '9477', '7883', '8419', '433', '4021', '333', '7215', '5833', 'b', '6175']

11, 9985, 16, 1, 3641, 1025, 10, 8797, 9, 17, 11, 25, 8141, 21, 7031, 25, 4851, 9477, 7883, 8419, 433, 4021, 333, 7215, 5833, 2, 6175