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: ['c', 's', 'L', 'J', '7597', 'Z', '3517', 'F', '8053', 'J', 'N', 'H', 's', '2241', 'f', 'h', 'e', 'F', 'T', '5613', '425', 'k', '8125', '2457', '1269', 'p', 'b', '175']

3, 19, 12, 10, 7597, 26, 3517, 6, 8053, 10, 14, 8, 19, 2241, 6, 8, 5, 6, 20, 5613, 425, 11, 8125, 2457, 1269, 16, 2, 175