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: ['I', '8331', 'E', 'j', 'G', 'I', 'I', '9653', '4889', 'g', 'E', 'r', 'x', 'O', 'f', 'Q', '681', '6253', '5469', 'c', 'h', '6305', '4923', '9395', '4767', '667', 'N', 'g', '4747', '9705', '2957', '9165', 'r', '6705']

9, 8331, 5, 10, 7, 9, 9, 9653, 4889, 7, 5, 18, 24, 15, 6, 17, 681, 6253, 5469, 3, 8, 6305, 4923, 9395, 4767, 667, 14, 7, 4747, 9705, 2957, 9165, 18, 6705