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: ['9265', '8947', '7241', '8239', 'V', '8001', 'b', '1621', 'Y', '3117', 'b', '9167', 'T', 'I', 'X', '6817', 'W', 'X', '3311', 'D']

9265, 8947, 7241, 8239, 22, 8001, 2, 1621, 25, 3117, 2, 9167, 20, 9, 24, 6817, 23, 24, 3311, 4