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: ['585', 'M', '3741', '7941', 'X', 'J', '4775', 'f', 'N', '2435', '2233', 'i', '7887', 'j', '9501', '1083', '6045', 'o', '3459', 'h', 'E', '2233', '781', 'd', 'e', '2917', 'n', 'S', '1125', 'X', 'U', '9819', 'T', 'F', '5753', 'H', 'P']

585, 13, 3741, 7941, 24, 10, 4775, 6, 14, 2435, 2233, 9, 7887, 10, 9501, 1083, 6045, 15, 3459, 8, 5, 2233, 781, 4, 5, 2917, 14, 19, 1125, 24, 21, 9819, 20, 6, 5753, 8, 16