Definition: 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.
Input: ['9253', '3777', 'j', '5495', '2827', '3269', 'H', '4461', '9043', '7933', 'W', '8271', '1997', '6493', '4091', '243', 'B', '2797', '3761', '779', 'I', '8267', 'C', 'g', 'g', '217', '3683', '8061', 'm', '159', '4217', '8593', 'Z', 'X', 'F', 'L']

9253, 3777, 10, 5495, 2827, 3269, 8, 4461, 9043, 7933, 23, 8271, 1997, 6493, 4091, 243, 2, 2797, 3761, 779, 9, 8267, 3, 7, 7, 217, 3683, 8061, 13, 159, 4217, 8593, 26, 24, 6, 12