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: ['8337', '333', '3905', 'S', 'B', 'X', '2567', 'G', 'j', '1961', 'p', '9289', 'G', '1303', 'v', 'd', 'h', 'E', '4411', 'P', '7593', '1539', 'S', 'F', 'E', 'k', 'N', 'K', '8819']

8337, 333, 3905, 19, 2, 24, 2567, 7, 10, 1961, 16, 9289, 7, 1303, 22, 4, 8, 5, 4411, 16, 7593, 1539, 19, 6, 5, 11, 14, 11, 8819