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', '2261', 'H', 'h', '3367', 'n', '2339', 'O', '3579', 'J', 'A', '3167', '1033', '4689']

10, 2261, 8, 8, 3367, 14, 2339, 15, 3579, 10, 1, 3167, 1033, 4689