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: ['h', 'u', '7199', 'q', 's', 'u', '3711', '6773', 'e', 'E', '5325', '1019', '2681', 'w', 'M', 'N', 's']

8, 21, 7199, 17, 19, 21, 3711, 6773, 5, 5, 5325, 1019, 2681, 23, 13, 14, 19