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: ['5671', 'O', 'r', '2473', '9907', '9515', '9817', 'E', '5479', 'G', '6493', '7015']
Example Output: 5671, 15, 18, 2473, 9907, 9515, 9817, 5, 5479, 7, 6493, 7015

Example Input: ['5223', '3529', 'k', 'o', 'K', '6357', '6631', '6471', 'a']
Example Output: 5223, 3529, 11, 15, 11, 6357, 6631, 6471, 1

Example Input: ['P', 'P', '1043', 'q', 'O', '295', '8991', 'l', 'L', '6227', 'x', '6161', 'p', '9621']
Example Output:
16, 16, 1043, 17, 15, 295, 8991, 12, 12, 6227, 24, 6161, 16, 9621