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', 'u', '8077', 'G', '437', 'h', 't', '1259', '8655', 'Q', 'l', '4703', 'L', '8001', '4597', '7657', '5395', '6637']

22, 21, 8077, 7, 437, 8, 20, 1259, 8655, 17, 12, 4703, 12, 8001, 4597, 7657, 5395, 6637