Instructions: 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: ['h', '2921', 'u', 'D', 'P', '8901', '9925', 'K', '9017', '5993', '4015', '4607', 'V', '8939', '857', 'n', 't', '3469', '2793', 'c', 'F', '7707', '7647', '9337', 'H', 's', '2457', '8589', '879', '5061', 'G', '243']
Output:
8, 2921, 21, 4, 16, 8901, 9925, 11, 9017, 5993, 4015, 4607, 22, 8939, 857, 14, 20, 3469, 2793, 3, 6, 7707, 7647, 9337, 8, 19, 2457, 8589, 879, 5061, 7, 243