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.

['l', 'Q', '9689', 'w', '9213', '9979', 'g', '9175', '9197', '2605', '6649']
12, 17, 9689, 23, 9213, 9979, 7, 9175, 9197, 2605, 6649

['7471', 'k', '5537', '3569']
7471, 11, 5537, 3569

['X', 'A', 'V', '6327', 'E', 'a', '2173', '9145', '8161', 'X', '5829', 'f', 'K', 'C']

24, 1, 22, 6327, 5, 1, 2173, 9145, 8161, 24, 5829, 6, 11, 3