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.

['X', 'F', 'o', 'i', 'z', '3875', 'R', '5985', '465', 'V', 'o', 'n', 'y', '8549', '7781', '8217', 'C', '8089', 'M', 'O', 'B', 'b']
24, 6, 15, 9, 26, 3875, 18, 5985, 465, 22, 15, 14, 25, 8549, 7781, 8217, 3, 8089, 13, 15, 2, 2

['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

['7243', '6861', 'm', '2381', '6645', 'n', 'i', 'M', 'x', '1383']

7243, 6861, 13, 2381, 6645, 14, 9, 13, 24, 1383