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: ['2581', 'X', '3249', '753', '5639']
Example Output: 2581, 24, 3249, 753, 5639

Example Input: ['9573', '5929', 'I', '1359', 'w', 'u', 'Y', '9927', '7465']
Example Output: 9573, 5929, 9, 1359, 23, 21, 25, 9927, 7465

Example Input: ['7785', '8895', 'I', '5855', '9957', 't', 'N', '3393', 'W', '5013']
Example Output:
7785, 8895, 9, 5855, 9957, 20, 14, 3393, 23, 5013