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.

['9093', 'T', '7465', '8911', 'U', 'd', 't', '9501', 'l', 'M', '1917', '1899', '7739']
9093, 20, 7465, 8911, 21, 4, 20, 9501, 12, 13, 1917, 1899, 7739

['4657', 'F', '2009', '2077', '3793', 'o', '1349', '2879', '893', '3275', 'u', 'l', '4407', 'p', 'e', '2589', 'n', '6019', 'A', '8685', '6103', '995', 'R', '65', 'h', '8019', '2349', '2685', 'd', '9179', '1245', 'U', '3381', 'a', 'f', '9371', 'e', '1813']
4657, 6, 2009, 2077, 3793, 15, 1349, 2879, 893, 3275, 21, 12, 4407, 16, 5, 2589, 14, 6019, 1, 8685, 6103, 995, 18, 65, 8, 8019, 2349, 2685, 4, 9179, 1245, 21, 3381, 1, 6, 9371, 5, 1813

['2495', 'b', 'O', '9923', 'k', 'k', 'b', 'h', 'U', '5907', 'E', 'g', 't', 'o', 'f']

2495, 2, 15, 9923, 11, 11, 2, 8, 21, 5907, 5, 7, 20, 15, 6