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: ['9227', 'x', '7811', 'f', 'T', '1369', 'L', 'V', 'H', '2829', '4289', 'i', '5613', 't', 's', 'n', '6531', '1669', '3125', '1185', '9675', 'N', '9269', 'n', '5029', '5723', '1029']

9227, 24, 7811, 6, 20, 1369, 12, 22, 8, 2829, 4289, 9, 5613, 20, 19, 14, 6531, 1669, 3125, 1185, 9675, 14, 9269, 14, 5029, 5723, 1029