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: ['4501', 'd', 'E', '927', '4597', 'l', '5381', 'q', '3553', 'e', '8499', '9811', 'l', 'b', '9795', 'e', 'e', '8733', '3645', 'e', 'J', '3921', '4579', 't', 'V', '8461', 'N', 'V', '5471', 'W', '31', '5591', 'V', 'g', 'n', 'g', '5505']

4501, 4, 5, 927, 4597, 12, 5381, 17, 3553, 5, 8499, 9811, 12, 2, 9795, 5, 5, 8733, 3645, 5, 10, 3921, 4579, 20, 22, 8461, 14, 22, 5471, 23, 31, 5591, 22, 7, 14, 7, 5505