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: ['4813', 'Q', 'f', '4547', '3339', '7199', 'v', '3565', '2693', '1687', '179', '2709', '5925', '5233', '9143', '4839', 'J', 'Y', 'o', '5521', '5959', '1431', '5661', 'y', '6559', 'v', '3631']

4813, 17, 6, 4547, 3339, 7199, 22, 3565, 2693, 1687, 179, 2709, 5925, 5233, 9143, 4839, 10, 25, 15, 5521, 5959, 1431, 5661, 25, 6559, 22, 3631