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: ['Y', 'H', '195', '2773', '3717', '1297', 'L', 'F', 'S', '9215', 'r', '4689', '5099', '2439', '6717', '9557', 'j', 'E', '7355', 'b', '8141', '2033', 'A', 'W', 'k', 'G', '9383', '5', 'J']

25, 8, 195, 2773, 3717, 1297, 12, 6, 19, 9215, 18, 4689, 5099, 2439, 6717, 9557, 10, 5, 7355, 2, 8141, 2033, 1, 23, 11, 7, 9383, 5, 10