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: ['h', 'u', '3075', 'Q', '5905', 'F', 'T', '1383', '6597', 's', 'X', '6889', '4081', '3815', '4639', 'K', 'Y', 'f', '6343', 'V', '5275', '1353', 'q']

8, 21, 3075, 17, 5905, 6, 20, 1383, 6597, 19, 24, 6889, 4081, 3815, 4639, 11, 25, 6, 6343, 22, 5275, 1353, 17