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: ['865', '9487', '425', 'z', 'K', '3147', '1389', '1329', '497', 'G', '9377', '5277', '4137', 'g', 's', 'V']

865, 9487, 425, 26, 11, 3147, 1389, 1329, 497, 7, 9377, 5277, 4137, 7, 19, 22