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.

['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

['l', 'F', 'o', '8761', 'o', 't', '2151', '1421', '9381', 'o', '8687', 'i', 'B', '7911', '2759', 'M', '4555', '3747', '145', 'W']
12, 6, 15, 8761, 15, 20, 2151, 1421, 9381, 15, 8687, 9, 2, 7911, 2759, 13, 4555, 3747, 145, 23

['M', '8445', '1501', 'l', 'O', '759', '5093', 'u', 'U', 'y', '3239', '2977', '6135', 'p', 'U', 'C', '85', 'c', '907', '8385', '6717', 's', '7719', 'A', 'p', '4947', 'V', 'c', 'x', '9579', 'k', '5311', 'X', 'b', '5205', 'j', 'I', '1949', 'P']

13, 8445, 1501, 12, 15, 759, 5093, 21, 21, 25, 3239, 2977, 6135, 16, 21, 3, 85, 3, 907, 8385, 6717, 19, 7719, 1, 16, 4947, 22, 3, 24, 9579, 11, 5311, 24, 2, 5205, 10, 9, 1949, 16