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: ['9047', 'j', 'e', 'c', 'e', 'V', '8909', '4463', 'h', '6329', 'C', 'J', 'a', 'a', '6775', 'z', '1757', '667']

9047, 10, 5, 3, 5, 22, 8909, 4463, 8, 6329, 3, 10, 1, 1, 6775, 26, 1757, 667