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: ['4369', '1531', '1103', '4985', '5297', '7891', 'Q', 'z', 'V', 'v', 'G', 'N', '8199', 'c', 'x', 'C', 'J', 'p', '197', '6277', '5933', 'h', 'Q', '7561', 'U', '1879', '4257', 'D', '7099', 'b', '8529']

4369, 1531, 1103, 4985, 5297, 7891, 17, 26, 22, 22, 7, 14, 8199, 3, 24, 3, 10, 16, 197, 6277, 5933, 8, 17, 7561, 21, 1879, 4257, 4, 7099, 2, 8529