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: ['9223', '4941', 'Q', '3863', 'q', '3795', '1683', 'J', '6951', '2215', '6959', '4327', '3075', '3437', 'O', '4653', 'Y', '3219']

9223, 4941, 17, 3863, 17, 3795, 1683, 10, 6951, 2215, 6959, 4327, 3075, 3437, 15, 4653, 25, 3219