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: ['g', '8491', '8197', '9213', '6033', '6833', '3083', 'r', 'd', '403', 'V', '7425', 'K', '1295', 'U', '7783', '5607', '8759', 'm', '7877', 'l', 'k', 'K', '6461', '1957', '4747', 'l', '8907', 'p', 'r', '1365', '6763', 'Q', 'C', 'f', 'c']

7, 8491, 8197, 9213, 6033, 6833, 3083, 18, 4, 403, 22, 7425, 11, 1295, 21, 7783, 5607, 8759, 13, 7877, 12, 11, 11, 6461, 1957, 4747, 12, 8907, 16, 18, 1365, 6763, 17, 3, 6, 3