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: ['Q', 'Y', 'm', 'C', 'n', '3795', 'E', 'C', 'C', '3027', 'X', 'u', 'y', '7013', '2847', 'K', '4943', 'D', 'R', 'I', 'm', 't', 'd', '5131', 'T', '1223', 'T', '8737', 'f', '9387']

17, 25, 13, 3, 14, 3795, 5, 3, 3, 3027, 24, 21, 25, 7013, 2847, 11, 4943, 4, 18, 9, 13, 20, 4, 5131, 20, 1223, 20, 8737, 6, 9387