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: ['7751', 'I', 'Q', '4641', 'a', '6185', 'X', '805', '2945', '5285', '4911', 'I', 'G', '9199', '699', '9703', 'w', 'T', 'v', '8305', '5903', 'B', '4917', 'u', '8255', '6105', 'i', '6917', 'f', 'l', '7589', 'L', '2607', 'D', '2877', '6699', 'F', 'w', '1303']

7751, 9, 17, 4641, 1, 6185, 24, 805, 2945, 5285, 4911, 9, 7, 9199, 699, 9703, 23, 20, 22, 8305, 5903, 2, 4917, 21, 8255, 6105, 9, 6917, 6, 12, 7589, 12, 2607, 4, 2877, 6699, 6, 23, 1303