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: ['D', '9617', 'G', 'V', 'N', 'E', 'W', 'l', '6617', '673', '2895', '3951', 'q', '1727', 'm', '8581', '477', 'Q', '3261', '4813', 'e', 'a', 'c', '4117', '683', 'x', '5799', '9721', '6469', '2203', '8225']

4, 9617, 7, 22, 14, 5, 23, 12, 6617, 673, 2895, 3951, 17, 1727, 13, 8581, 477, 17, 3261, 4813, 5, 1, 3, 4117, 683, 24, 5799, 9721, 6469, 2203, 8225