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: ['9419', 't', '9383', 'o', 'Y', 'T', '5949', 's', '1957', 'O', 'w', '3573', 'W', 's', '9431', 'c', '6711']
Example Output: 9419, 20, 9383, 15, 25, 20, 5949, 19, 1957, 15, 23, 3573, 23, 19, 9431, 3, 6711

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: ['2617', 'V']
Example Output:
2617, 22