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', '5079', '2387', '1973', '3285', 'S', 'm', '3355', 'i', 'R', 'K', '1343', '1213', '4117', '7345', 'v', '1471', '3997', '3043', '7253', 'g']

22, 5079, 2387, 1973, 3285, 19, 13, 3355, 9, 18, 11, 1343, 1213, 4117, 7345, 22, 1471, 3997, 3043, 7253, 7