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: ['8773', 'f', '3171', '9425', '7489', 'z', 'V', '9409', 'K', '2815', 'p', '8479', '1787', 'm', '5481', '2591', 'k', '1545', '8041', '2425', '5569', 'J', 'c', 'T', '4839', 'n', '5085', '2685', '4129', 'H', 'P', '4391', 'G', '6285', 'k', 'z', 'v']

8773, 6, 3171, 9425, 7489, 26, 22, 9409, 11, 2815, 16, 8479, 1787, 13, 5481, 2591, 11, 1545, 8041, 2425, 5569, 10, 3, 20, 4839, 14, 5085, 2685, 4129, 8, 16, 4391, 7, 6285, 11, 26, 22