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: ['1559', 'Y', 'J', '2685', '3353', 'f', 'V', '8037', '9537', 'W', 'b', 'R', 'n', '9207', '1111', '5373', 'P', '9741', 'e', 'H', 'y', '67', '335', 'm', 'g', '6707', 'r', '9085']

1559, 25, 10, 2685, 3353, 6, 22, 8037, 9537, 23, 2, 18, 14, 9207, 1111, 5373, 16, 9741, 5, 8, 25, 67, 335, 13, 7, 6707, 18, 9085