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: ['7671', 'q', '9549', '8701', 'e', 'N', '6593', 'f', '2123', '5351', 'I', '1765', '9641', 'F', 'A', '2705', '1897', 'E', '29', 'd', 'W']

7671, 17, 9549, 8701, 5, 14, 6593, 6, 2123, 5351, 9, 1765, 9641, 6, 1, 2705, 1897, 5, 29, 4, 23