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: ['C', '7327', 'V', '4313', '8783', 'j', '4835', 'D', '5123', 'm', '4559', '1089', 'O', 'E', '8729', '8641', '8127', 'y', '461', 'o', 'y', 'F', '8369', '4845', '3829', 's']

3, 7327, 22, 4313, 8783, 10, 4835, 4, 5123, 13, 4559, 1089, 15, 5, 8729, 8641, 8127, 25, 461, 15, 25, 6, 8369, 4845, 3829, 19