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: ['3271', 'K', '7799', '1199', '9639', '827', '2933', 'A', 'K', '3731', '3985', 'V', '6623', '1457']

3271, 11, 7799, 1199, 9639, 827, 2933, 1, 11, 3731, 3985, 22, 6623, 1457