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.

['B', '625', '6887', '913', 'w', '4539', 'E', 'q', 'C']
2, 625, 6887, 913, 23, 4539, 5, 17, 3

['3003', 'N', 'w', 'E', 'c', '4319', '589', 'L', '1245', 'M', 'M', '267', 'B', '6095', '8243', 'P', '7477', 'X', '6205', '5989', 'y', 'S', 'x', '5989', 'V', 'm', 'L', '995', 'V', 'M', '5313']
3003, 14, 23, 5, 3, 4319, 589, 12, 1245, 13, 13, 267, 2, 6095, 8243, 16, 7477, 24, 6205, 5989, 25, 19, 24, 5989, 22, 13, 12, 995, 22, 13, 5313

['2769', '859', 'Y', '5149', '5729', '5717', '9233', '3819', 'u', '2379', 'E', 'w', '11', '9545', '6425', '2533', '5637', '1969', 'S']

2769, 859, 25, 5149, 5729, 5717, 9233, 3819, 21, 2379, 5, 23, 11, 9545, 6425, 2533, 5637, 1969, 19