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: ['h', 'w', '9761', 'T', '3349', 'O', '31', '1373', 'n', 'l', 'c', '3615', 'c', '5673', '5745', '6741', 'V', '4035', '3203', '5569', '8667', 'k', 'Y', '5373']

8, 23, 9761, 20, 3349, 15, 31, 1373, 14, 12, 3, 3615, 3, 5673, 5745, 6741, 22, 4035, 3203, 5569, 8667, 11, 25, 5373