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', 'z', 'k', 'f', 'H', 'r', '4101', '3593', '6389', '3093', 'v', '4045']

11, 26, 11, 6, 8, 18, 4101, 3593, 6389, 3093, 22, 4045