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: ['3601', 'M', 'h', '5623', '517', 'K', 'O', '8933', 'y', '2685', 'O', '4955', 'O', '851', '6067', 'C', '2273', '5227', '3169', '3325', 'T', '2381', 'a', 'w', '2215', '8853', '8567', '4151', 'C']

3601, 13, 8, 5623, 517, 11, 15, 8933, 25, 2685, 15, 4955, 15, 851, 6067, 3, 2273, 5227, 3169, 3325, 20, 2381, 1, 23, 2215, 8853, 8567, 4151, 3