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', '1583', '1843', '9029', 'M', 'J', '3715', 'o', 'D', '5929', '2023', 'P', '737', 'R', 'W', '5755', 'A', '7439', '9295', '8563', 'n', '9621', 'B', '3973', 'n', '6405', '9157', 'v', 'B', 'q', '3521', 'g', '3433']

24, 1583, 1843, 9029, 13, 10, 3715, 15, 4, 5929, 2023, 16, 737, 18, 23, 5755, 1, 7439, 9295, 8563, 14, 9621, 2, 3973, 14, 6405, 9157, 22, 2, 17, 3521, 7, 3433