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: ['9461', '2705', '3879', 'z', '13', 'S', '6779', '6165', 'Z', '5899', 'W', 'N', 'e', '1447', 'd', '1171', '355', '6217', 'q', 'M', '1699', '6481', 'j', 'n', 'x', 'R', '2899', '7897', '7911', 'E', '8513', '6163', 'A', 'Y', '6117', '9247', 'e', '3359', 'j', '2177']

9461, 2705, 3879, 26, 13, 19, 6779, 6165, 26, 5899, 23, 14, 5, 1447, 4, 1171, 355, 6217, 17, 13, 1699, 6481, 10, 14, 24, 18, 2899, 7897, 7911, 5, 8513, 6163, 1, 25, 6117, 9247, 5, 3359, 10, 2177