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: ['z', 'Z', 'K', '205', 'i', '8895', '4901', '2723', 'X', '4687', 'K', '2523', 'l', '2473', 'W', 'K', 'n', '9545', 'm', 'O', 'E', 'v', 'n', '1177', 'r']

26, 26, 11, 205, 9, 8895, 4901, 2723, 24, 4687, 11, 2523, 12, 2473, 23, 11, 14, 9545, 13, 15, 5, 22, 14, 1177, 18