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: ['K', '7325', '7911', '7897', '8727', '6031', '9009', 'z', 'd', 'V', '6443', 'K']

11, 7325, 7911, 7897, 8727, 6031, 9009, 26, 4, 22, 6443, 11