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.

['4899', 'h', '9159', 'h', '1229', '6031', 'Y', 'b', '2015', 'c', '5267', '9319', '499', '995', '9219', 'J', 's', 'L', 'Z', '4263', 'a', 'o', 'd', '3995', '9333', 'I', 'm', 'Q', 'w', 'Z', 'n', '425', '4291', '1211', 'n']
4899, 8, 9159, 8, 1229, 6031, 25, 2, 2015, 3, 5267, 9319, 499, 995, 9219, 10, 19, 12, 26, 4263, 1, 15, 4, 3995, 9333, 9, 13, 17, 23, 26, 14, 425, 4291, 1211, 14

['o', 'y', 'C', 'L', '507', '7317', '2639', '6933', '797', '383', '4431', 'Z', 'y', '8811', 'O', 'a', 'G', 'Z', 'J', 'q', '1859', '9395', '8505', 'X', 'J', 'x', 'f', 'd', '2263', 'p', '5635', 'y', '9251', 'Z', 'K']
15, 25, 3, 12, 507, 7317, 2639, 6933, 797, 383, 4431, 26, 25, 8811, 15, 1, 7, 26, 10, 17, 1859, 9395, 8505, 24, 10, 24, 6, 4, 2263, 16, 5635, 25, 9251, 26, 11

['4793', 'v', 'k', '1847', 'h', 'V', 't', '1459', '529', 'a', '783', 'C', 'p', 'W', 'J', 'c', '3517', '9395', 'x', 'O', 'j', '9079', '5789', '449', 'I', 'f', '1121', '9829', 'l']
4793, 22, 11, 1847, 8, 22, 20, 1459, 529, 1, 783, 3, 16, 23, 10, 3, 3517, 9395, 24, 15, 10, 9079, 5789, 449, 9, 6, 1121, 9829, 12