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: ['o', 't', '2337', '3241', 'G', '6599', 'K', 'o', 'l', '2399', 't', 'y', 'w', 'F', '3725', '3867', 'j', 's', '169', 'z', 'N', '2873', '7359']

15, 20, 2337, 3241, 7, 6599, 11, 15, 12, 2399, 20, 25, 23, 6, 3725, 3867, 10, 19, 169, 26, 14, 2873, 7359