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: ['8241', '8677', '2387', '1759', 'T', 'o', '7939', '6775', '2635', '3101', 'E', 'K', '6751', '9043', 'Q', '7445', 'h', '4839', 'V', 'O', '3443', '2985', '3411', 'G', '8495', '4809', '653', '9131', 'J', 'S', '73', 'I', 'F']

8241, 8677, 2387, 1759, 20, 15, 7939, 6775, 2635, 3101, 5, 11, 6751, 9043, 17, 7445, 8, 4839, 22, 15, 3443, 2985, 3411, 7, 8495, 4809, 653, 9131, 10, 19, 73, 9, 6