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.

Example Input: ['1939', '7465', 't', '8401', '161', '7451', 'd', 'H', '4957', '5765', '19', '8981', 'n', 'i', 'B', 'r', 'o', '6653', '3671', 'r', 'e', '2403', 'X', 'y', '4993', '6411', 'D', '4645', '5033', '7297']
Example Output: 1939, 7465, 20, 8401, 161, 7451, 4, 8, 4957, 5765, 19, 8981, 14, 9, 2, 18, 15, 6653, 3671, 18, 5, 2403, 24, 25, 4993, 6411, 4, 4645, 5033, 7297

Example Input: ['u', 'n', '2763', 'n', '5869', 'w', '4847', '4369', '8245', '9801', 'W', '7991', 't', '9233', 'Z', '3521', 'Z', 'H', 'N', 'a', '9811', '5705', '6637', '5067', 'o']
Example Output: 21, 14, 2763, 14, 5869, 23, 4847, 4369, 8245, 9801, 23, 7991, 20, 9233, 26, 3521, 26, 8, 14, 1, 9811, 5705, 6637, 5067, 15

Example Input: ['4675', 'c', '885', '7821', '2645', 'u', 'O', '8975', 'y', '3591', 'U', '1209', '2315', 'p', '6013', '4425', '9693', 'K', 'b', 'B', '4681', 'n', 'E', '2861', '5045', 'U', '815']
Example Output:
4675, 3, 885, 7821, 2645, 21, 15, 8975, 25, 3591, 21, 1209, 2315, 16, 6013, 4425, 9693, 11, 2, 2, 4681, 14, 5, 2861, 5045, 21, 815