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', 'C', '9827', '1247', '6001', 'H', 'S', 'h', '6389', '6379', '3663', 't', '8259', 'H', 'x', '8483', '1329', '8541', 'e', '9491', '2199', '5303']

22, 3, 9827, 1247, 6001, 8, 19, 8, 6389, 6379, 3663, 20, 8259, 8, 24, 8483, 1329, 8541, 5, 9491, 2199, 5303