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: ['6079', '4043', 'Y', '7087', '1417', 'P', '7935', '5061', 'U', '4589', 'x', '1495', 'v', 'x', '9561', '407', '1881', 'J', 'F', 'U', 'o', 'm', '4765', 'D', 'U', '2607', 'w', '8463', 'N', 'u', '3177']

6079, 4043, 25, 7087, 1417, 16, 7935, 5061, 21, 4589, 24, 1495, 22, 24, 9561, 407, 1881, 10, 6, 21, 15, 13, 4765, 4, 21, 2607, 23, 8463, 14, 21, 3177