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.

['o', '8311', 'K', '3575', '1553', '7751', 'l', 'q', '3217', '5893', '9467', '5657', '5365', 'J', '8463', '4617', '5607', 'h', 'v', '3287', '5191', '8029', '1437', '6495', 't', 'x', 'O', 'p', 'y', '4935', '5193', '2295', 'Z', '6827', '3673']
15, 8311, 11, 3575, 1553, 7751, 12, 17, 3217, 5893, 9467, 5657, 5365, 10, 8463, 4617, 5607, 8, 22, 3287, 5191, 8029, 1437, 6495, 20, 24, 15, 16, 25, 4935, 5193, 2295, 26, 6827, 3673