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: ['W', 'w', 'v', 'q', 'O', 'P', '6235', 'F', 'g', 'L', 'd', 'q', 'T', '9845', 'd', 'q', 'y', 'K', 'q', 'J', '5729', 'n', 'n', 'y', '6765', 'g', 'o', 'T', '5885', 'w', '6851', '5287', '1385', 'C', 'A', '6313']

23, 23, 22, 17, 15, 16, 6235, 6, 7, 12, 4, 17, 20, 9845, 4, 17, 25, 11, 17, 10, 5729, 14, 14, 25, 6765, 7, 15, 20, 5885, 23, 6851, 5287, 1385, 3, 1, 6313