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: ['V', 'z', '6509', '7679', '833', '8661', '7827', 'h', 'q', '379', 'p', 'P', '2199', 'e', '2189', 'J', 's', '4963', 'G', 'L', 't', 'g', '1373', 'E', '3589']

22, 26, 6509, 7679, 833, 8661, 7827, 8, 17, 379, 16, 16, 2199, 5, 2189, 10, 19, 4963, 7, 12, 20, 7, 1373, 5, 3589