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: ['8623', '1535', '2699', 'e', '1463', '279']
Example Output: 8623, 1535, 2699, 5, 1463, 279

Example Input: ['8711', 'e', '5951', 'Y', 'S', 'V', '2141', 'g', 'R', '627', '8803', 'q', '9501', '1999', 'S', '2115', 'P', '7185', 'r', 'c', 'E', 'J', '2721', 'a', 'd', '6801', '7393', '2427', '4311', 't', 'r', 'h', '3429']
Example Output: 8711, 5, 5951, 25, 19, 22, 2141, 7, 18, 627, 8803, 17, 9501, 1999, 19, 2115, 16, 7185, 18, 3, 5, 10, 2721, 1, 4, 6801, 7393, 2427, 4311, 20, 18, 8, 3429

Example Input: ['7683', '3657', 'z', 'm', 'E', '5767', '371', 'j', '4623', 'y', 'Z', 'p', '7663', '5493', '7917', 'U']
Example Output:
7683, 3657, 26, 13, 5, 5767, 371, 10, 4623, 25, 26, 16, 7663, 5493, 7917, 21