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: ['z', 'N', '6833', 'i', '5457', 'q', '3197', '7141', '193', 'v', 'r', '4505', 'a', '741', '9245', 'J', 'D', '969', '3241', '587', 'Z', '2941', '9', 'E', 'E', '8307', 'C', '3849', 'V', 'a', 'D', '8769', '6037', '1259', 'j', '9177']

26, 14, 6833, 9, 5457, 17, 3197, 7141, 193, 22, 18, 4505, 1, 741, 9245, 10, 4, 969, 3241, 587, 26, 2941, 9, 5, 5, 8307, 3, 3849, 22, 1, 4, 8769, 6037, 1259, 10, 9177