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: ['2789', '7795', 'b', 'I', 'A', '1921', 'K', 'm', 'D', 'J', '8865', '559', 'a', '7693', 'h', 'y', '7171', 'L', 'o', '7377', '9751', '963']
Example Output: 2789, 7795, 2, 9, 1, 1921, 11, 13, 4, 10, 8865, 559, 1, 7693, 8, 25, 7171, 12, 15, 7377, 9751, 963

Example Input: ['2803', '8285', 'U', 'O', '9329', '695', '3877', '1873', '2365', 'P', '153', 'D', '8495', '7593', '4067', 'Y', 'u', '4885', 'f', 'B', 'o', '8499']
Example Output: 2803, 8285, 21, 15, 9329, 695, 3877, 1873, 2365, 16, 153, 4, 8495, 7593, 4067, 25, 21, 4885, 6, 2, 15, 8499

Example Input: ['7577', '8419', 'r', '3293', 'T', '3273', '6821', 'd', '6449', '6231', 'X', '1169', '2869', '6819', '1177', 'D', 'k']
Example Output:
7577, 8419, 18, 3293, 20, 3273, 6821, 4, 6449, 6231, 24, 1169, 2869, 6819, 1177, 4, 11