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: ['9905', '2269', 'x', '8599', '7227', '3537', 'S', 'M', '7021', '4733', '6723', 's', '7165', 'R', '5905', 'l', '2427', '885', 'J', '7465', '403', '9897', 'h']

9905, 2269, 24, 8599, 7227, 3537, 19, 13, 7021, 4733, 6723, 19, 7165, 18, 5905, 12, 2427, 885, 10, 7465, 403, 9897, 8