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: ['8363', 'u', '5191']
Example Output: 8363, 21, 5191

Example Input: ['33', '2283', 'M', 'g', 'q', 'D', 'L', '8315', 'G', '3857', '7681', 'z']
Example Output: 33, 2283, 13, 7, 17, 4, 12, 8315, 7, 3857, 7681, 26

Example Input: ['4891', '8307', 'y', 'v', '4107', 'O', 'K', 'r', '9727', 'L', '6917', '9177', 'I', 'm', 'R', '6345', '9851']
Example Output:
4891, 8307, 25, 22, 4107, 15, 11, 18, 9727, 12, 6917, 9177, 9, 13, 18, 6345, 9851