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.

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

Example Input: ['K', 'f', 'N', 'a', 'H', '5999', 'g', '9589', 'N', 'h', '8451', '7797', 'e', 'P', '785']
Example Output: 11, 6, 14, 1, 8, 5999, 7, 9589, 14, 8, 8451, 7797, 5, 16, 785

Example Input: ['2543', 'X', 'G', 'k', 'E', 'x', '3983', '3723', '8171', 'F', 'M', '9881', 'R', 'Z', 'E', '8607', 'T', 'n', '321', '8391', 'u', '3045']
Example Output:
2543, 24, 7, 11, 5, 24, 3983, 3723, 8171, 6, 13, 9881, 18, 26, 5, 8607, 20, 14, 321, 8391, 21, 3045