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: ['X', '7551', 'g', 'T', '71', '8975', '5259', '1439', 'Z', '6875', 'C', '6221', 'l', 'M', '4697']
Example Output: 24, 7551, 7, 20, 71, 8975, 5259, 1439, 26, 6875, 3, 6221, 12, 13, 4697

Example Input: ['d', '3', 'Y', 't', 'B', '8295']
Example Output: 4, 3, 25, 20, 2, 8295

Example Input: ['y', 't', 'K', 'G']
Example Output:
25, 20, 11, 7