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: ['x', '4833', 'B', 'Y', '5491', 'A', 'c', 'S', '9645', '2223', '6975', 'G', 'F', '6123', '3309', 'K', '9215', 'N', '2607', '1149', 'p', '349', 'B', '1065', 'g', 'G', 'T', 'G', '6519', '9763', 'q', '5317']

24, 4833, 2, 25, 5491, 1, 3, 19, 9645, 2223, 6975, 7, 6, 6123, 3309, 11, 9215, 14, 2607, 1149, 16, 349, 2, 1065, 7, 7, 20, 7, 6519, 9763, 17, 5317