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: ['9161', 'K', '419', 'O', 'g', '9025', '1357', 'b', 'W', '9453', 'L', 'U', 'N', 'n', 'B', 'g', '4799', 't', 'a', 'Q', 'y', 'v', 't', '7811', '4299', '6125', '3787', 'E', '499', 'n', '4117', '3011', 'l', 'J', '3547', '1663', '5411']

9161, 11, 419, 15, 7, 9025, 1357, 2, 23, 9453, 12, 21, 14, 14, 2, 7, 4799, 20, 1, 17, 25, 22, 20, 7811, 4299, 6125, 3787, 5, 499, 14, 4117, 3011, 12, 10, 3547, 1663, 5411