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: ['k', '1', '8755', 'H', '7133', '2895', '609', 'p', '8245', '7399', 'v', 'P', '1649', 'i', '1565', '911', '1463', 'Y', '2123', 'w']

11, 1, 8755, 8, 7133, 2895, 609, 16, 8245, 7399, 22, 16, 1649, 9, 1565, 911, 1463, 25, 2123, 23