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: ['j', '7677', '7137', 'P', '2547', '829', 'v', '6525', '6223', '4625', 'X', 'e']

10, 7677, 7137, 16, 2547, 829, 22, 6525, 6223, 4625, 24, 5