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.

['a', '8619', 'v', '8727', '779', 'S', 'u', 'P', '2811', 'h', '2029', 'M', 'Y', '4547', 'B', 'J', '3157', '2629', '465']
1, 8619, 22, 8727, 779, 19, 21, 16, 2811, 8, 2029, 13, 25, 4547, 2, 10, 3157, 2629, 465

['179', 'f', '7909', '9959', '3649', 'B', 'k', 'I', 's', 'Y', 'a', '6619', '3657', 'G', 'Q', '3647']
179, 6, 7909, 9959, 3649, 2, 11, 9, 19, 25, 1, 6619, 3657, 7, 17, 3647

['Z', '7125', 'y', 'R']

26, 7125, 25, 18