Definition: 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.
Input: ['d', '4823', '7393', '5047', '4313', '2567', 'b', '4895', '2207', '1035', 'Y', 'K', 'z', 'Y', '7025', '755', 'T', 'y', '3305', '9687', '4681', '5021', '1749', 'y', 'm', '9677']

4, 4823, 7393, 5047, 4313, 2567, 2, 4895, 2207, 1035, 25, 11, 26, 25, 7025, 755, 20, 25, 3305, 9687, 4681, 5021, 1749, 25, 13, 9677