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: ['1625', 'g', 'u', 'H', '1725', '8267', 'U', 'g', '8963', '2547', '5239', 'k', '7393', '3439', 'Y', '5181', 'O', 'u', 'c', '5853', '4419', '4739', '4909', 'Y', 'B', '4331', 'e']
Output:
1625, 7, 21, 8, 1725, 8267, 21, 7, 8963, 2547, 5239, 11, 7393, 3439, 25, 5181, 15, 21, 3, 5853, 4419, 4739, 4909, 25, 2, 4331, 5