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: ['9701', '3675', '8653', '5039', '6255', '9933', 'R', 'S', '9359', 'G', '1215', 'z', '1615', '5935', '3549', 'R', '6853', 'N', 'C', '9487', 'V', 'U', '9115', '5705', 'A', 'n', '8835', '9727', 'O', 'w', '361', '6983', '1675']

9701, 3675, 8653, 5039, 6255, 9933, 18, 19, 9359, 7, 1215, 26, 1615, 5935, 3549, 18, 6853, 14, 3, 9487, 22, 21, 9115, 5705, 1, 14, 8835, 9727, 15, 23, 361, 6983, 1675