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: ['4141', 'K', '7343', '8177', '9763', '8163', 'n', 'Y', '4809', 'A', 'H', '8967', 'V', '6313', 'i', '8827', '5727', '8839', 'E', 'a', '4509', '8301', '7057', '997', '8481', 'K', '2673', 's', 'Y', '8715', 'M', '891', 'v']

4141, 11, 7343, 8177, 9763, 8163, 14, 25, 4809, 1, 8, 8967, 22, 6313, 9, 8827, 5727, 8839, 5, 1, 4509, 8301, 7057, 997, 8481, 11, 2673, 19, 25, 8715, 13, 891, 22