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: ['4347', '5953', '8119', '5525', '8399', 'O', 'J', '7777', '9951', 'I', '5827', '5503', 'k', '2161', 'o', 't', 'a', 'Z', '3101', '5361', '6329', '8581', 'o', 'f', 'X', '197', 'z', '2359', '6863', 's', 'A', 'i', 'V', '5657', 'Z', '8763', 'R', '8317']

4347, 5953, 8119, 5525, 8399, 15, 10, 7777, 9951, 9, 5827, 5503, 11, 2161, 15, 20, 1, 26, 3101, 5361, 6329, 8581, 15, 6, 24, 197, 26, 2359, 6863, 19, 1, 9, 22, 5657, 26, 8763, 18, 8317