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: ['9531', '3423', '1311', 'w', 'o', '7253', '8215', 'V', 'd', '1263', '2301', '8065', 'O', '9277', '2951', '2805', 'L', '5055', 'J', '559', '2161', 'y', 'y', 'V', '4789', 'e', 'i', '1629']

9531, 3423, 1311, 23, 15, 7253, 8215, 22, 4, 1263, 2301, 8065, 15, 9277, 2951, 2805, 12, 5055, 10, 559, 2161, 25, 25, 22, 4789, 5, 9, 1629