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: ['2445', '2967', 'Z', '1409', 'O', '5567', 'X', 'E', '9581', '3499', '7933', 'D', '9213', '4759', '3143', '8179', '1225', '6295', 'K', '5541', '2487', '8309', 'u', '5429', '5117', 'w', 'G', '1715', '3481', '7867', '143', '2011', '587', 'w', 'n', '9107', 'V']

2445, 2967, 26, 1409, 15, 5567, 24, 5, 9581, 3499, 7933, 4, 9213, 4759, 3143, 8179, 1225, 6295, 11, 5541, 2487, 8309, 21, 5429, 5117, 23, 7, 1715, 3481, 7867, 143, 2011, 587, 23, 14, 9107, 22