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: ['n', '8893', 'w', 'B', '3709', '7497', '4683', '8305', '1267', '7403', 'V', '3101', 'b', 'N', 'Y', '4821', '7209', '2471', 'm', '9483', '4401', '8649', 'y', 'Y', 'K', '2841', 'j']

14, 8893, 23, 2, 3709, 7497, 4683, 8305, 1267, 7403, 22, 3101, 2, 14, 25, 4821, 7209, 2471, 13, 9483, 4401, 8649, 25, 25, 11, 2841, 10