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', 'A', 'Q', 'f', 'A', 'J', 'o', '9579', '5761', '5571', 'n', 'f', '7935', 'D', '4589', 'A', 'u', 'E', '727', '7681', 'W', 'Y']

8, 1, 17, 6, 1, 10, 15, 9579, 5761, 5571, 14, 6, 7935, 4, 4589, 1, 21, 5, 727, 7681, 23, 25