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: ['E', '1337', 'l', '7277', 'H', '7929', 'O', '4419', '1971', '5693', 'k', '8071', '4087', '6011', 'h', '5741', 'x', 'V', 'q', '7067', '2077', 'D', 'T', 'J', 'm', 'W', '301', 'X', '1361', '1547', 'J', 'i', '7165', '7805', '2543', '4655']

5, 1337, 12, 7277, 8, 7929, 15, 4419, 1971, 5693, 11, 8071, 4087, 6011, 8, 5741, 24, 22, 17, 7067, 2077, 4, 20, 10, 13, 23, 301, 24, 1361, 1547, 10, 9, 7165, 7805, 2543, 4655