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: ['Q', '4437', '8939', '765', 'J', '4683', 'A', '8173', 'h', '2733', '567', '6431', '1209', 'G', 'x', 'C', '4737', 'i', '8307', 'O', '7399', 'J', 'O', 'W', 'P', '5827', '9441', 'U', 'o', 'g', 'L', '1165', '5313', 'l', 'R', 'n']

17, 4437, 8939, 765, 10, 4683, 1, 8173, 8, 2733, 567, 6431, 1209, 7, 24, 3, 4737, 9, 8307, 15, 7399, 10, 15, 23, 16, 5827, 9441, 21, 15, 7, 12, 1165, 5313, 12, 18, 14