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: ['8335', '3499', '4761', 'G', '9345', '393', '7053', '7617', '1967', 'm', '4205', 'O', 'Z', '1977', 'r', 'A', '9085', '5853', '6001', 'p', 'y', 'J', '9701', 'F', '8685', 'B', '2001', 'w', '399', 'M', 'y', '9771', '9477', 'Q', 'E', '8901', 'u', 'T']

8335, 3499, 4761, 7, 9345, 393, 7053, 7617, 1967, 13, 4205, 15, 26, 1977, 18, 1, 9085, 5853, 6001, 16, 25, 10, 9701, 6, 8685, 2, 2001, 23, 399, 13, 25, 9771, 9477, 17, 5, 8901, 21, 20