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: ['3333', '6089', '7457', 'Q', 'M', 'b', 'N', 'Z', '2195', 'M', 'e', '287', '9477', 'E', '3311', 'O', 'H']

3333, 6089, 7457, 17, 13, 2, 14, 26, 2195, 13, 5, 287, 9477, 5, 3311, 15, 8