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: ['q', 'z', 's', '3165', '8777', 'L', '8987', '4587', '3859', 'a', '1195', 'q']

17, 26, 19, 3165, 8777, 12, 8987, 4587, 3859, 1, 1195, 17