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.

['J', '8585', 'T', '9947', '2275', '7577', '7651', '4841', '9491', 'N', '8437']
10, 8585, 20, 9947, 2275, 7577, 7651, 4841, 9491, 14, 8437

['6881', 'F', '4759', '5797', '4879', '5761', '9913', '8509', 'c', 'X', 'U']
6881, 6, 4759, 5797, 4879, 5761, 9913, 8509, 3, 24, 21

['x', 'Z', 'X', '8471', 'b', '7889', 'w', '9919', 'q', '6359', '1429', 'V']

24, 26, 24, 8471, 2, 7889, 23, 9919, 17, 6359, 1429, 22