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', 'b', 'w', 'V', 'V', '4601', '6029', '7317', '5993', '9701', 'd', 'U', 'i', 'H', '6629', '7529', 'U', '2887', 'Y', 'Z', 'A', '6103', 'h']

11, 2, 23, 22, 22, 4601, 6029, 7317, 5993, 9701, 4, 21, 9, 8, 6629, 7529, 21, 2887, 25, 26, 1, 6103, 8