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: ['m', 'G', '8401', '3499', 'm', 'f', 'a', '6475', 'n', 'c', 'K', 'z', '195', 's', 'T', 'n', 'b', 'o', '3329', 't', '4725', 'd', '9157', 'X', '5433', '6151', 'W', '1391', 'U', '9229', 'E', 'e', '213', 'J']

13, 7, 8401, 3499, 13, 6, 1, 6475, 14, 3, 11, 26, 195, 19, 20, 14, 2, 15, 3329, 20, 4725, 4, 9157, 24, 5433, 6151, 23, 1391, 21, 9229, 5, 5, 213, 10